- Jean Beguin
Jean Beguin (1550-1620) was an
iatrochemistnoted for his 1610 " Tyrocinium Chymicum" (Beginner's Chemistry), which many consider to be one of the first chemistry textbooks. In the 1615 edition of his textbook, Beguin made the first-ever chemical equationor rudimentary reaction diagrams, showing the results of reactions in which there are two or more reagents. [cite book | last = Bergman | first = Torbern | title = Dissertation Elective | publisher = Routledge | year = 1775 | id = ISBN 0714615927] Modern rendering of this famous diagram, detailing the reaction of corrosive sublimate (HgCl2) with sulfide of antimony (Sb2S3), is shown below: [Crosland, M.P. (1959). "The use of diagrams as chemical 'equations' in the lectures of William Cullenand Joseph Black." "Annals of Science, Vol 15, No. 2", Jun.]
Timeline of chemistry
* [http://scienceworld.wolfram.com/biography/Beguin.html Jean Beguin] - Eric Weisstein's World of Scientific Biography
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