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The picture does not depict Ivan Vreman (revert if I'm mistaken) |
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| birth_date = {{birth date|df=yes|1583|6|6}}{{sfn|Borić|2021}}
| birth_date = {{birth date|df=yes|1583|6|6}}<ref>{{Cite web |last=Borić |first=Marijana |date=2021-09-07 |title=Ivan Ureman — posrednik između kineske i europske znanstvene tradicije |trans-title=Ivan Ureman — a Mediator between Chinese and European Scientific Tradition |url=https://hrcak.srce.hr/file/383808 |access-date=2024-12-17 |website=hrcak.srce |language=hr}}</ref>▼
| birth_place = [[Split, Croatia]]
| death_date = {{death date and age|df=yes|1620|4|22|1583|6|6}}
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Vreman was born on 6 June 1583 in [[Split, Croatia]],<ref>{{Cite web |date= |title=Znameniti isusovci u Splitu - Famous Jesuits in Split |url=https://www.isusovci-split.hr/znameniti-isusovci-u-splitu/ |access-date=2024-12-17 |website=isusovci-split |language=hr}}</ref> at that time under [[Republic of Venice|Venetian]] rule. There is very little information about his early life, but he most likely attended one of the schools in Split, as that town, like other major towns on the Croatian coast, had organized education for the younger generation. Thus, Vreman received a quality initial education that helped him to be sent to [[Rome]] in 1600 to the [[novitiate]] of the [[Society of Jesus]]. In 1602 he began his studies at the [[Collegium Romanum]]. He studied [[natural philosophy]], mathematics and astronomy. In 1607 he completed his studies in philosophy and became involved in scientific work, beginning to conduct astronomical researches. He was especially interested in studying of [[lunar eclipse]], which occupied him all the time during his life. His astronomical observations are preserved in letters he exchanged with his professors and other prominent scholars. From 1607 to 1609 he studied [[theology]].
Since the [[telescope]] was not yet available, Vreman made his observations without it, but therefore carried out them by devising special observational and [[methodical]] procedures. He made a detailed description of the lunar eclipse, as evidenced, for instance, by a letter he sent on 31 January 1609 to the Italian astronomer, cartographer and mathematician [[Giovanni Antonio Magini|Magini]],
In 1609 he left Rome for [[Portugal]] and [[Spain]], intending to go to the Far East, but had to wait for the departure of a ship that had been preparing for that long voyage. While waiting, he worked until 1615 as a professor of mathematics in [[Lisbon]] and at the [[Colegio de los Jesuitas]] in the city of [[Oropesa, Spain|Oropesa]] in Spain. The only known work that has been preserved from that period is his mathematical [[manuscript]] ''Geometriae speculatiuae compendium'' (Handbook of Speculative Geometry). From this manuscript, which he probably wrote for teaching purposes, it can be possible to see his mathematical interests and attitudes.
===Missionary work===
In 1615 he set out on a voyage to Jesuit mission in [[Goa]], India, where he stayed for nine months.
It is known about his work and activities that he studied [[Euclid]]'s work "Elements", which was written in the [[4th century BC]] with the aim of laying foundations for the construction of [[geometry]]. Besides, Vreman's special interest was astronomy, where he needed mathematical knowledge in theoretical and practical work and the Euclidean methodology for conducting astronomical proofs. Mathematics is always present in Vreman's work in the field of astronomy and [[cartography]]. While researched, he used to solve an astronomical problems with planned observations. Then he applied mathematics in the [[analysis]] of his results.
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==References==
{{Reflist}}
==Sources==
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