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    Adolphe Quetelet, Social Physics and the Average Men of Science, 1796-1874
    Adolphe Quetelet, Social Physics and the Average Men of Science, 1796-1874
    Adolphe Quetelet, Social Physics and the Average Men of Science, 1796-1874
    Ebook413 pages6 hours

    Adolphe Quetelet, Social Physics and the Average Men of Science, 1796-1874

    By Kevin Padraic Donnelly

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    About this ebook

    Adolphe Quetelet was an influential astronomer and statistician whose controversial work inspired heated debate in European and American intellectual circles. In creating a science designed to explain the "average man," he helped contribute to the idea of normal, most enduringly in his creation of the Quetelet Index, which came to be known as the Body Mass Index. Kevin Donnelly presents the first scholarly biography of Quetelet, exploring his contribution to quantitative reasoning, his place in nineteenth-century intellectual history, and his profound influence on the modern idea of average.
    LanguageEnglish
    PublisherUniversity of Pittsburgh Press
    Release dateJun 15, 2015
    ISBN9780822981633
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      Book preview

      Adolphe Quetelet, Social Physics and the Average Men of Science, 1796-1874 - Kevin Padraic Donnelly

      Adolphe Quetelet, Social Physics and the Average Men of Science, 1796–1874

      SCIENCE AND CULTURE IN THE NINETEENTH CENTURY

      Series Editor: Bernard Lightman

      TITLES IN THIS SERIES

      1 Styles of Reasoning in the British Life Sciences: Shared Assumptions, 1820–1858

      James Elwick

      2 Recreating Newton: Newtonian Biography and the Making of Nineteenth-Century History of Science

      Rebekah Higgitt

      3 The Transit of Venus Enterprise in Victorian Britain Jessica Ratcliff

      4 Science and Eccentricity: Collecting, Writing and Performing Science for Early Nineteenth-Century Audiences

      Victoria Carroll

      5 Typhoid in Uppingham: Analysis of a Victorian Town and School in Crisis, 1875–1877

      Nigel Richardson

      6 Medicine and Modernism: A Biography of Sir Henry Head

      L. S. Jacyna

      7 Domesticating Electricity: Technology, Uncertainty and Gender, 1880–1914

      Graeme Gooday

      8 James Watt, Chemist: Understanding the Origins of the Steam Age

      David Philip Miller

      9 Natural History Societies and Civic Culture in Victorian Scotland

      Diarmid A. Finnegan

      10 Communities of Science in Nineteenth-Century Ireland

      Juliana Adelman

      11 Regionalizing Science: Placing Knowledges in Victorian England

      Simon Naylor

      12 The Science of History in Victorian Britain: Making the Past Speak

      Ian Hesketh

      13 Communicating Physics: The Production, Circulation and Appropriation of Ganot’s Textbooks in France and England, 1851–1887

      Josep Simon

      14 The British Arboretum: Trees, Science and Culture in the Nineteenth Century

      Paul A. Elliott, Charles Watkins and Stephen Daniels

      15 Vision, Science and Literature, 1870–1920: Ocular Horizons

      Martin Willis

      16 Popular Exhibitions, Science and Showmanship, 1840–1910

      Joe Kember, John Plunkett and Jill A. Sullivan (eds)

      17 Free Will and the Human Sciences in Britain, 1870–1910

      Roger Smith

      18 The Making of British Anthropology, 1813–1871

      Efram Sera-Shriar

      19 Brewing Science, Technology and Print, 1700–1880

      James Sumner

      20 Science and Societies in Frankfurt am Main

      Ayako Sakurai

      21 The Making of Modern Anthrax, 1875–1920: Uniting Local, National and Global Histories of Disease

      James F. Stark

      22 The Medical Trade Catalogue in Britain, 1870–1914

      Claire L. Jones

      23 Uncommon Contexts: Encounters between Science and Literature, 1800–1914

      Ben Marsden, Hazel Hutchison and Ralph O’ Connor (eds)

      24 The Age of Scientific Naturalism: Tyndall and his Contemporaries

      Bernard Lightman and Michael S. Reidy (eds)

      25 Astronomy in India, 1784–1876

      Joydeep Sen

      26 Victorian Literature and the Physics of the Imponderable

      Sarah C. Alexander

      FORTHCOMING TITLES

      Victorian Medicine and Popular Culture

      Louise Penner and Tabitha Sparks (eds)

      Adolphe Quetelet, Social Physics and the Average Men of Science, 1796–1874

      BY

      Kevin Donnelly

      Published by the University of Pittsburgh Press, Pittsburgh, Pa., 15260

      Copyright © 2016, University of Pittsburgh Press

      All rights reserved

      Manufactured in the United States of America

      Printed on acid-free paper

      10  9  8  7  6  5  4  3  2  1

      Cataloging-in-Publication is available from the British Library

      ISBN 13: 978-0-8229-8163-3   Hardback: 978-1-84893-568-6

      ISBN 10: 0-8229-8163-7

      Contents

      Acknowledgements

      List of Figures

      Introduction: Two Average Men

      1 Life in the War: The End of Enlightenment in Belgium, 1796–1823

      2 Casualties of War: Quetelet and Friends in Ghent and Brussels, 1815–23

      3 Stoking the Sacred Fire: The Administration of Observation in the United Kingdom of the Netherlands, 1822–30

      4 From Brussels to Europe: The Creation of a Scientific Network, 1823–9

      5 Physique Sociale, 1825–35

      6 The Other Average Man: L’Homme Moyen and its Critics

      Conclusion: The New Argonauts

      Epilogue: The Average Enlightenment

      Works Cited

      Notes

      Index

      Acknowledgements

      This book would have been impossible to write without the contributions of many outstanding women and men. Mark Hulliung provided the initial motivation to examine the legacy of the Enlightenment, and along with Govind Sreenivasan and Eugene Sheppard was instrumental in shaping the early form of this book. The idea to investigate Quetelet’s life was inspired by a graduate seminar with Peter Buck at the Harvard Extension School, and I was particularly fortunate to be able to take a course on the history of science with Debbie Weinstein when the book was in its earliest drafts. I also thank Paul Jankowski, Alice Kelikian and the faculty, students and administrators of the Comparative History Program at Brandeis for creating the encouraging, liberating and supportive conditions under which this book first began.

      At Brandeis, Ian Hopper, Shefali Misra, Claudia Schaler, Surella Seelig and Aaron Wirth provided an ideal group of friends and colleagues with whom to reflect on European history, philosophy and politics (and much else). Just as Quetelet’s many projects would have been impossible without the friends and colleagues around him, so too did this book draw on the strength and joy of friendship.

      Ian also deserves thanks for reading through many drafts, and for helpful debates and suggestions along the way. Timothy Wyman McCarty also commented on early drafts, and helped me to think a bit more about the difference between the book I thought I was writing and the one I was actually writing. The book also benefited from two dissertation seminars led by Eugene, Dan Kreider, ChaeRan Freeze and Karen Hansen. My thanks also go to the members of these seminars for their frank and open discussion of early drafts.

      Rebecca Makas took on the unenviable task of reading through the complete manuscript multiple times, once aloud, and is responsible for many a sentence being far more clear and direct than it was on first execution. Anonymous reviewers at Pickering & Chatto, History of Science and the British Journal for the History of Science also helped to expand the scope of the secondary material and helped to make many of the themes of the book more explicit. I also thank those journals for permission to reprint material from two articles: ‘On the Boredom of Science: Positional Astronomy in the Nineteenth Century’, British Journal for the History of Science, 47 (2014), pp. 473–503 and ‘The Other Average Man: Science Workers in Quetelet’s Belgium’, History of Science, 52 (2014), pp. 401–28. Robert Smith first suggested the press during a meeting of the History of Astronomy Workshop at Notre Dame, Mark Pollard encouraged the manuscript submission, and Bernard Lightman agreed to include it in the Science and Culture in the Nineteenth Century Series as well as edited the final version of the book. I thank all of them for their work and support in bringing this book to press. In spite of all of this help, any and all errors that remain are my responsibility alone.

      The majority of the research for the book was able to be completed because of the generous assistance of the Belgian American Educational Foundation, which provided for a year to study, research and write in Brussels. I thank the BAEF director Emile Boulpaep, as well as Jean-Luc de Paepe and Clair Pascaud of the Académie royale de Belgique. Closer to home, I thank Roy Goodman and the staff of the American Philosophical Society in Philadelphia, Sean Casey and the staff of the Boston Public Library Rare Books Room, Kerry Magruder and Joann Palmieri and all the folks at the University of Oklahoma History of Science Collections and the library staff at the University of Wisconsin Memorial Library. Gaston Demarée of the Koninklijk Meteorologisch Instituut van België was particularly helpful in locating images and documents on the Brussels Observatory. Research support to travel and write the book was also provided by fellowships and grants from the Andrew W. Mellon Foundation, the American Philosophical Society, the History of Science Collections at the University of Oklahoma, the Friends of the University of Wisconsin-Madison Libraries and Brandeis University. Alvernia University also provided very valuable time and resources to help bring this book to its completion.

      Finally, I owe more gratitude than it is possible to express here to my parents – Mom, Dad, Joan and Nancy. Thank you for keeping me company in Brussels, and for your love and support these many years.

      List of Figures

      Figure I.1: Average man (detail)

      Figure I.2: Quetelet statue and Académie royale

      Figure 3.1: Observatoire royal de Bruxelles

      Figure 3.2: Observatoire royal de Bruxelles, plan général

      Figure 4.1: Astronomy section of the Correspondance

      Figure 5.1: Loi de la mortalité

      Figure 5.2: Qualités physiques

      Figure 6.1: Propensity for crime and literary ability

      Figure 6.2: Tableau de la croissance

      Introduction: Two Average Men

      Progression to the Mean

      In the last years of his life, Adolphe Quetelet (1796–1874) compiled Sciences mathématique et physique chez les belges (1866), a book he hoped would explain how his home country of Belgium had regained its status among the great scientific nations of Europe. Quetelet had been born into a difficult time in Belgian intellectual life, and he believed that the sciences in particular had struggled in the eighteenth century, first under the benevolent stagnation of Hapsburg oversight and then under the ruinous invasion and occupation by French revolutionary forces. While Belgian scientific life remained inert, however, he saw what he called ‘an intellectual innovation of great importance, an innovation which perhaps has not been so noticed’. It was an ‘innovation’ Quetelet believed to be the key to Belgium’s return to scientific prominence:

      The man of talent, in certain cases, ceased to act as an individual and became a fraction of the body that attained the most important results.¹

      Just a page later he reinforced the point that ‘in the sciences of the new era … savants have ceased to act as individuals’.² Quetelet was comparing the new form of science to the great ‘geniuses’ who he believed had driven scientific progress in Europe during the seventeenth and eighteenth centuries, a period when Belgium ‘did not have the strength to take part’.³ The book was intended as a corrective to this glum history, and it contained histories, elogés and recollections of the savants who had managed to elevate Belgian science and industry to the level of the great powers of Europe.⁴

      For the reader who knows Quetelet best from his theoretical l’homme moyen (average man), the words above may have some resonance. The notion of an ‘individual’ as merely a ‘fraction’ of a larger body seems quite similar in fact to Quetelet’s infamous Average Man, a statistical composite of individual traits that Quetelet believed would be central to a new science he called physique sociale (social physics). Quetelet had hoped for a quantitative science that would allow researchers to count, measure and predict human actions, and the Average Man was to be the ‘centre of gravity’ against which such predictions could be made. The beauty of the average can be seen (in Figure I.1) as a kind of perfect physical and moral being. Quetelet had such high hopes for this imagined man that it led to one of the most seemingly bizarre statements ever made in the history of statistics and the social sciences:

      If the average man were perfectly determined, one could … consider it as a kind of beauty. All that deviated [s’éloignerait] from what it resembled … would constitute deformity and disease. That which did not resemble it … would be monstrous.⁵

      Contemporary critics derided the idea that deviation from the average was ‘monstrous’, and readers both sympathetic and hostile towards social physics have tried to make sense of it ever since. One possible theory is that such excitement for averages was an extension of an Enlightenment belief in egalitarianism, and indeed much of Quetelet’s social physics picked up where the social mathematics of the ‘last philosophe’ Condorcet left off. Yet seen in combination with Quetelet’s reflections on Belgian men of science, the above quote suggests that the idea of composite averages, of individuals ‘ceasing to exist’ as they become a ‘fraction of the larger body’, was a theme Quetelet returned to often, whether it was in the abstract realm of social physics or the practical realities of making Belgian savants. As this book demonstrates, in order to make progress in social physics, both the sciences of man and the men of science needed to strive to be average.

      The primary goal of this book then is to present an analysis of Quetelet’s professional scientific work and thought in the creation of these two kinds of average men. Quetelet worked during an era of specialization in the sciences, yet his interests cannot easily be contained within a few disciplines. Even avoiding anachronistic labels of Quetelet – of which sociologist, criminologist and climate scientist are all possible – his work covered an enormous range of topics in the natural sciences and what would become the social sciences. It would be possible to write the life of Quetelet as the story of a statistician, an astronomer, an institution builder, a mathematician, a social theorist, an educator, an economic theorist or even a frustrated poet. All of these narratives would be possible, and indeed some have been realized, but all would be incomplete.⁶

      Figure I.1: Average man (detail). This image demonstrates the harmony of Quetelet’s ideal average man. Although the image depicts only a physically average man, Quetelet held out equal hopes for establishing an average man of moral and intellectual character. A. Quetelet, ‘Sur le poids de l’homme aux différens ages’, Nouveaux mémoires de l’Académie royale des sciences et belles-lettres de Bruxelles, 7 (1832), pp. 1–44. Inset following p. 44. University of Wisconsin Memorial Library.

      Figure I.1: Average man (detail). This image demonstrates the harmony of Quetelet’s ideal average man. Although the image depicts only a physically average man, Quetelet held out equal hopes for establishing an average man of moral and intellectual character. A. Quetelet, ‘Sur le poids de l’homme aux différens ages’, Nouveaux mémoires de l’Académie royale des sciences et belles-lettres de Bruxelles, 7 (1832), pp. 1–44. Inset following p. 44. University of Wisconsin Memorial Library.

      This book too cannot escape the limitations Quetelet’s long and productive life imposes on the historical researcher. The following is in some sense a biography but will pay almost no attention to Quetelet’s family life. It is the story of the ‘father of modern statistics’ but will contain no equations. It is a history of a man whose most widely recognized ‘discovery’ today – the body mass index – was at the margin of his career and not popularized until a century after his death. It ignores much of his collaboration with Victorian statisticians and only briefly touches on his many projects to assemble a ‘Global Physics’, a tantalizing project that anticipated much of what today is grouped under the heading of climate science. For reasons explained below, the focus of the book will be limited to two interdependent aspects of his multi-faceted career: his creation of a controversial science of man – physique sociale – and his extraordinary work to create scientific institutions of observation at the same time.⁷ Each, it will be argued, is impossible to imagine in isolation.

      Initially, this book had been conceived only as an investigation into physique sociale, but after examining Quetelet’s significant writings on the practice of science itself, it seemed clear that his approach to science was as valuable to understanding his career as his writings on social physics. Moreover, in examining the historical literature on Quetelet there appeared to be few efforts to examine physique sociale in connection with his various institutional roles: director of the Observatoire royal de Bruxelles, editor of the continental journal Correspondance mathématique et physique, permanent secretary of the Académie royale des science, des lettres et des beaux-arts de Belgique, state-sponsored traveler to observatories in France and Germany and correspondent to dozens of prominent nineteenth-century men of science. Yet as the sources of these various roles reveal, Quetelet’s pursuit of large-scale projects for scientific investigation was not merely the means through which he accomplished theoretical research aims but, at times, appeared to function as ends in themselves. Though Quetelet did serious scientific research, it is hard to find an aspect of his career in which he was more successful, or one to which he was more dedicated, than in creating networks of scientific researchers. Though social physics is often the first thing mentioned in connection with Quetelet’s career, this book suggests that even during its creation, it was only a part of his larger administrative concerns in Belgium.

      Quetelet’s plans for scientific research were directed from a number of influential posts in Belgium which connected him to a host of leading scientific figures throughout Europe. But they also required a particular kind of science worker, one that he admitted in Sciences mathématique et physique was very different from the natural philosophers of the seventeenth and eighteenth centuries. As seen in his proposals for institutions of observation and research, stated criteria for membership in a Belgian scientific elite and discussions with other savants, science worked best not in a laboratory or secluded study, but through the accumulation of large amounts of data from numerous observers. Because the new worker who helped to gather this information was expected to be standardized, interchangeable and to exhibit none of the extremes of genius or eccentricity, Quetelet’s ideal social physicist appeared to be another average man called for by physique sociale. As Quetelet readily admitted, and desired, the new man of science would mark a significant break with the savants of the past.

      An ‘Intellectual Odyssey’ of Nineteenth-Century Europe

      The creation of two average men was the result of one extraordinary life. Though the project to count and analyse all the experiences of human behaviour may make Quetelet seem a real-life Gradgrind, dedicated to only ‘facts and calculations’, he was far from the sombre and taciturn parody found in Dickens.⁸ Born into one of the most disastrous periods in the troubled history of the Catholic Netherlands, Quetelet used his enthusiasm and energy to help transform his country from a cultural and intellectual hinterland into a significant industrial and scientific power. Quetelet entered the world just a few years after the nadir of Belgian intellectual life in 1794 – when the occupying French closed the University of Louvain and transported the school’s library to Paris – but left behind a nation that was one of the most advanced in Europe. During his lifetime, Quetelet either personally created or helped to build nearly every scientific institution in Belgium and the United Kingdom of the Netherlands,⁹ including many of the important institutions today. In the process of doing so, he also found time to develop the foundations of modern statistics and quantitative sociology, as well as being among the leading researchers in the new sciences of meteorology and terrestrial magnetism. In the social sciences, Alain Desrosières has written that Quetelet’s work was among the most important developments of the nineteenth century, suggesting that Quetelet’s ‘mode of reasoning … enjoy[ed] a posterity at least as important as that of more famous social thinkers’, including ‘Comte, Marx, Le Play [and] Tocqueville’.¹⁰ Peter Buck has also claimed that ‘as social scientists, it is with Adolphe Quetelet, and not seventeenth-century natural philosophers, that we share assumptions’.¹¹ It is certainly difficult to deny the truth of these statements in light of the current enthusiasm for Big Data and quantification in the social sciences and elsewhere, though Quetelet’s ‘mode of reasoning’ should be construed broadly enough to incorporate his administrative work in standardizing scientific researchers alongside the ideas of physique sociale.¹²

      There is another compelling reason to focus on these two aspects of his career at the expense of his more formal contributions to various disciplines: Quetelet’s social physics and institution building put him at the centre of some of the most fascinating developments of nineteenth-century intellectual history and science. Attention to Quetelet’s work and thought can engage the question of whether the revolutionary philosophies of the eighteenth century were subverted by the very mechanism these systems believed would facilitate progress: applying the tools of the natural sciences to the study of mankind. While many Enlightenment writers felt that science would confirm a world ruled by order and harmony and set out the conditions through which progress towards these goals could be made, by the end of the nineteenth century scientific investigation seemed to reveal chaos at best and a new form of progress through savage competition at worst.¹³ Particularly troubling was the turn in the ‘sciences of man’, which by the time of Quetelet’s death in 1874 had transformed into nothing short of an apology for European imperialism and retained none of the universalist assumptions that Quetelet had inherited from his philosophe heirs. Quetelet was the clear and obvious champion of the statistical sciences of man favoured by Condorcet, yet ended up as a principal inspiration for the eugenicists Francis Galton and Karl Pearson. In Prophets of Paris Frank Manuel famously called a similar transformation from egalitarian to competitive progress ‘one of the crucial developments in modern intellectual history’, and Quetelet’s story is central to understanding this turn in the nineteenth century.¹⁴ While Manuel did not include the Belgian, ending with Comte as his last prophet, the historian Lawrence Goldman has proposed that ‘Quetelet’s personal intellectual odyssey [was] a model of the early-nineteenth century determination to construct a natural science of society’.¹⁵ This book largely supports Goldman’s claim, but goes beyond the history of ideas to suggest that it was in the practice of science itself where the most important developments occurred in Quetelet’s ‘odyssey’ through the nineteenth-century sciences of man.

      Attention to the relationship between Quetelet’s own science of man and his proposals for scientific practice can also help illuminate the dramatic changes in research practice during the century. Most importantly perhaps is how the boundary between science and other forms of intellectual activity influenced the production of scientific knowledge.¹⁶ Certainly, once science had freed itself from intellectual (if not political) constraints, the increase in scientific knowledge was extraordinary as the nineteenth century saw tremendous advances in the understanding of heat transfer, electricity, magnetism, optics and evolutionary biology.¹⁷ Was the flowering of the sciences directly due to the development of professional organizations, or was it because of what those organizations isolated scientists from, i.e., the moral constraints and concerns of writers, intellectuals, theologians and social theorists? Conversely, what was the consequence for theorists in the tradition of the Enlightenment who wanted to merge values, literature and science? Such questions can be addressed by studying a man who began work in the eclectic tradition of the French Enlightenment and ended up as one of the most successful scientific administrators in Europe.

      If Quetelet is so important in two of the crucial issues of nineteenth-century historiography – the turn in the sciences of man and the institutionalization of science – why then is he relatively unknown today in spite of the tremendous growth of interest in the history of science in the past fifty years? Quetelet developed a massive network of correspondents throughout Europe including Villermé, Esquirol, Goethe, Humboldt, Laplace, Poisson, Gauss, Fourier, Arago, Bouvard, Malthus, Babbage, Herschel, Faraday, Maxwell, Forbes, Nightingale and Whewell. In America he was a regular correspondent with A. D. Bache and members of the American Philosophical Society; James Garfield praised his work on the floor of the United States House of Representatives. He was a member of over 100 professional organizations throughout Europe and the Americas and was responsible for founding not only the Brussels Observatory and countless other Belgian institutions but also the International Statistical Congress, which exists to this day. Yet outside of Belgium today his name is as rare as it was ubiquitous in the mid-nineteenth century, a time when his most popular work Sur l’homme was hailed ‘as forming an epoch in the literary history of civilization’.¹⁸ Why, despite a claim by George Sarton, the founder of the discipline of history of science, that Sur l’homme was ‘one of the greatest books of the nineteenth century’, has there not been a substantive work dedicated to Quetelet’s life and thought since the early 1900s?¹⁹ One possible answer is that Quetelet’s long and successful career as a network and institution builder made him unsuitable to the two dominant trends of research in the history of science during the twentieth century: the old heroic narratives of the first half of the century and the post-war studies that sought either to complicate these narratives or create new heroes of unknown figures.²⁰

      Fortunately however, the discipline of the history of science has in recent decades begun to embrace scientific praxis as much as scientific ideas, and Quetelet has a claim as one of the more important enablers of scientific practice of the nineteenth century.²¹ He played a crucial role in two of the century’s most important scientific developments, both of which have somewhat confusingly been referred to as the ‘second Scientific Revolution’.²² Coined by Thomas Kuhn, the phrase was originally meant to encompass a series of changes of which ‘one facet’ was the vast increase in quantification. In the move towards quantification in the sciences, Quetelet was a participant at the end of a revolution, extending statistical techniques that had succeeded in other sciences into fledgling disciplines like meteorology and what would be known as the social sciences, including most notably his application of Gaussian distribution in astronomy to the study of social phenomena. At the same time, he and others helped create many of the statistical concepts that would feed James Clerk Maxwell’s ideas on the development of molecular physics. The movement towards measuring with numbers began at the turn of the century with the mathematicians Laplace, Poisson and Fourier, three of the most important ‘quantifiers’ in Kuhn’s story. Quetelet had in fact met all three of the quantifiers and it was just as Quetelet was creating physique sociale that Kuhn argued that the move from ‘scientific law to scientific measurement’ was made.²³ As both theoretician and propagandiste Quetelet was one of the most prominent nineteenth-century savants in the move towards quantitative measurement.

      Quetelet’s role was even more noticeable in a different ‘second Scientific Revolution’, however, the one denoting the increasing professionalization of scientific practice.²⁴ Though considerable differences exist as to what professionalization was there is a general consensus that all sciences at the time were involved in developing forms of institutionalization to delineate their activities from other scientific and non-scientific activities.²⁵ As part of this programme, it was necessary to train and educate what Quetelet called a ‘new class of men’ to perform the duties of large scientific organizations.²⁶ As Quetelet claimed in two large volumes he published on the history of the sciences in Belgium, the transformation in the means of scientific production had profound consequences for the scientific worker.²⁷ The model man of science was no longer Voltaire’s image of a solitary Newton divining the laws of the heavens, but rather the mass expeditions organized by the Académie française to determine the proper length of the metre. Quetelet believed that he had come of age at the end of an era of science driven by isolated geniuses and that future great discoveries would not be the work not of individual greatness, but of large-scale projects that would employ hundreds, if not thousands, of researchers. Quetelet’s history and philosophy of science was not mere speculation, as he spent decades building institutions to conduct large research projects and a lifetime in Brussels teaching and training the men to fill the ranks of these groups. Though a movement of this size certainly had many participants, it would be difficult to find a more energetic and successful programme to organize European science along bureaucratic lines than what Quetelet conducted in Belgium between 1822 and 1835.²⁸

      Though Quetelet’s embrace of what might be called bureaucratic science may not have the dramatic lure of Weber’s ‘disenchantment’, Marx’s dialectic of class struggle or Comte’s grand stadialist account of historical development, this study of Quetelet’s life and work takes seriously Desrosières’s and Buck’s suggestions above that Quetelet’s ideas were among the most durable and lasting of the nineteenth century and that they may have more to tell us about the structure and organization of twenty-first century life and thought than much of the canon of nineteenth-century social thought. Yet it is only by seeing Quetelet’s ideas, however inconsistent, alongside his practical vision of how large-scale institutions of science operated, that this importance can become apparent.

      After Bielefeld

      This change in focus represents one of several contributions this book hopes to make to recent studies of Quetelet. This current body of literature is a fragmented group that owes much of its confusion to two biographies written shortly after the turn of the last century.²⁹ Both books were concerned with placing Quetelet within a previously established narrative: for Frank Hankins it was the development of statistical techniques; for Joseph Lottin, the development of social theory. Both would now be considered unashamedly internal histories, an approach that had both its advantages and disadvantages. While each study situated Quetelet firmly within the confines of disciplinary history, they obscured the diversity of his thought and avoided what was most interesting about his career: the overlap in his thought and science that developed as he created both a quantitative science of human behaviour and the institutions to count these actions. Tellingly, both authors made only passing mention of Correspondance mathématique et physique and treated his administrative career in biographical gloss. Matters were not helped when Maurice Halbwachs, an important disciple of Durkheim, argued just a few years after Lottin and Hankins that there was no sense of unity in Quetelet’s ideas. Just a generation after Quetelet’s death, the noted sociologist wrote that ‘the different parts that we distinguish in Quetelet’s work are not connected, and … each must be the object of independent discussion’.³⁰

      In the century since Hankins, Lottin and Halbwachs, however, there has not been a single-author monograph dedicated to Quetelet, a surprising omission considering the excellent work that has been accomplished in the history of statistics in the past thirty years. The impetus behind the explosion of works on statistics itself was a conference held in 1982 at the University of Bielefeld in Germany and the resulting two-volume study.³¹ Aside from the impressive collection of papers presented during this conference, many of the participants went on to write ground-breaking studies of statistical development.³² In the years between the early biographies and the Bielefeld conference, there were also occasional journal articles that sought to situate Quetelet in various disciplinary histories, the very eclecticism of which practically begged for clarity.³³ While these works varied drastically in terms of methodology and argument, they shared two common characteristics. The first was that the portrayal of Quetelet was limited by the relative lack of attention given to Quetelet’s powerful position in Belgian institutions. At the least there was a lack of integration between his ideas and the institutions he served. The second feature of this literature was that, paradoxically, given the diversity of the works, they all relied almost solely on the biographies of Lottin and Hankins in presenting Quetelet’s thought and career. While some attention was given to a few of Quetelet’s most prominent works (mostly Sur l’homme), the interpretation offered by Lottin and Hankins was rarely expanded upon and the full range and impact of Quetelet’s career was often missed. Collectively, these papers brought needed attention to the importance of understanding the history of quantitative thought, not only as a crucial development in thinking about numbers, but also the role the quantifiers had in the development of the ‘hard’ sciences themselves. Yet while all of this literature acknowledged the importance of Quetelet’s ideas for understanding larger issues in probability and statistics, the understanding of the ideas themselves had hardly changed since the days of his first two biographies, published just four decades after Quetelet’s death.

      The failure of a fragmented

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