Russell Earl Marker and the Beginning of the Steroidal Pharmaceutical Industry

Abstract

A biographical essay is presented on the chemical research of Russell E. Marker (1902-1995). The biography begins in 1925 with Marker's decision to forgo a Ph.D. in chemistry because he did not wish to complete the course requirements at the University of Maryland. Marker then took a position at the Ethyl Gasoline Company where he helped develop the octane rating for gasoline. He then moved to the Rockefeller Institute where he studied the Walden inversion, and then to Penn State College where his already prolific publication record soared to even greater heights. In the 1930s, Marker became fascinated with steroids and their potential as pharmaceuticals and collected specimens from plants in the southwest US and Mexico, discovering many sources of steroidal sapogenins. With his students at Penn State College, where he rose to full professor, he discovered the structure of these sapogenins and invented the "Marker degradation" that converted diosgenin and other sapogenins into progesterone. Together with Emeric Somlo and Federico Lehmann, he co-founded Syntex and began the manufacture of progesterone. Shortly thereafter, he left Syntex, began another pharmaceutical company in Mexico, then quit chemistry altogether. A discussion of Marker's legacies and the ironies in his professional career is provided.

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