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Percy L. Julian

(1899 - 1975)

Research Chemist, National Academy of Sciences Member


Percy L. Julian, Scurlock Studio Records, Archives Center, National Museum of American History, Smithsonian Institution

Percy L. Julian was a research chemist whose trail-blazing work in uses for soybeans resulted in the development of a multiplicity of new products, the most important of which are low cost drugs and hormones. He devised an inexpensive form of cortisone, used in the treatment of arthritis, from soybean sterols. His research led to the manufacture in quantity of the hormones testosterone and progesterone. Among his many “firsts” in the field of steroids was his synthesis of the drug physostigmine, used to treat glaucoma. Dr. Julian was a member of the National Academy of Sciences.

Additional Information

Biography of Percy Julian from Black Inventor

"Percy Julian: Forgotten Genius," NOVA video series

Biography of Percy L. Julian from DePauw University

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