Raymond Pearl

Raymond Pearl (3 June 1879 – 17 November 1940) was an American biologist, regarded as one of the founders of biogerontology. He spent most of his career at Johns Hopkins University in Baltimore.

Pearl was a prolific writer of academic books, papers and articles, as well as a committed populariser and communicator of science. At his death, 841 publications were listed against his name.

Background

Born of upper-middle class parents in New England, Pearl excelled at school and went on to Dartmouth College where he gained his B.A. in 1899, and the University of Michigan where he gained his PhD in zoology in 1902. In 1906 he spent a year studying under Karl Pearson at University College, London. During this year he discovered biometry, which seemed to offer a solution to the problems he was concerned with in biology, zoology and eugenics. On his return to the US he continued his interests, but was converted from biometry to Mendelian genetics.

Eugenics and politics

Pearl maintained a loose interest in eugenics, but in 1927 published the landmark article The Biology of Superiority, which attacked the basic assumptions of eugenics. The article was the first general attack on eugenics by someone perceived as being within the movement. It also contributed to the emergence of reform eugenics and the population control movement. Pearl was an influential member of the Advisory Committee of the World Population Conference, after which Pearl helped found the International Union for the Scientific Study of Population Problems.

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Brighten Spring: Trends in Lamp Restoration and Customization

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Spring is the perfect time to refresh home décor with lamp restoration and customization ... With over 50 years of experience, we provide top-quality wholesale lamp supplies to bring lighting ideas to life ... Raymond DeSimone ... Address.2541 Pearl Buck Road.

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Beijing News 14 Mar 2025
Biostatistician Raymond Pearl was less generous, calling "the ponderous work" "probably the most extensive and serious single contribution to humorous literature which has appeared in recent years," ...

Vital statistics: Roundup of marriage licenses, dissolutions in Wayne County

The Daily Record - Wooster 08 Mar 2025
Marriage licenses. Wayne County. Kurtis Devon Miller, 9348 Criswell Road, Fredericksburg, and Luann R. Raber, 10169 Nonpariel Road, Fredericksburg ... Geren Cunningham, 126 Pearl St., Wooster, and Raymond Cunningham, 2211 Township Road 255, West Lafayette.
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