Flexner Flex·ner (flěks'nər), Simon. 1863-1946.
American microbiologist who isolated the bacillus of dysentery (1900), developed a serum for cerebrospinal meningitis (1907), and led the team that identified the cause of poliomyelitis.
Abraham Flexner
educator who played a major role in the introduction of modern medical and science education to American colleges and universities.
Learn more about Flexner, Abraham with a free trial on Britannica.com.