Marcel Delépine

From 1895 to 1902 he served as préparateur at the Collège de France, where he worked in the laboratory of Marcellin Berthelot.

[1] From 1904 he was an agrégé at the École Supérieure de Pharmacie, attaining the chair of hydrology and hygiene in 1913.

[1][2] In 1927 he became a scientific advisor for Etablissements Poulenc, and subsequently was named director of pharmaceutical research for Rhône-Poulenc.

He made contributions in his investigations of terpenes, platinum group metals (iridium, rhodium), sulfur compounds, et al.

[1][3] Also, when experimenting with thiocarbonic esters and related bodies, he discovered the phenomena of "oxyluminescence".