Jean-Jacques Colin
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Jean-Jacques Colin (16 December 1784 – 1865) was a French chemist known for his work in plant physiology, fermentation, and the chemistry of iodine. He collaborated with Henri-François Gaultier de Claubry on research demonstrating the interaction between iodine and starch, and with Pierre Jean Robiquet on the isolation of alizarin and purpurin from madder root.[1] Colin held teaching positions at the École Polytechnique, the University of Sciences in Dijon, and the École spéciale militaire de Saint-Cyr. Over his career, he published research across chemistry, mineralogy, and biology, contributing to studies on seed germination, fermentation, dye production, and soap manufacturing.[2][3][4]
Jean-Jacques Colin was born on 16 December 1784 in Riom, Department of Puy-de-Dôme, France.[2] He was appointed a répétiteur (tutor) of chemistry at the École Polytechnique under Joseph Louis Gay-Lussac, a post he held until 1817.[2] Following the political changes after the Restoration, his salary was reduced, leading to his resignation.[2]