Dr. Simon Flexner (1863 - 1946),American pathologist. Flexner,the elder brother of Abraham Flexner,taught at Johns Hopkins Uniersity and the University of Pennsylvania before becoming the first director of the Rockefeller Institute for Medical Research and a trustee of the Rockefeller Foundation. He is known for his work on experimental epidemiology and venoms,poliomyelitis,serum treatment of cerebrospinal meningitis,and for isolating a bacillus of dysentery (Shigella dysenteriae) | |
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