This Day in Jewish History March 25, 1863 This Day in Jewish History / Trailblazing Researcher of Polio and Meningitis Is Born

Simon Flexner, a native of Louisville, was also an expert on the pancreas and helped isolate insulin.

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March 25, 1863, is the birthdate of Simon Flexner, the medical researcher and administrator who, as the first director of the Rockefeller Institute in New York, made the place a top center of biological and...