Mikhail Petrovich Chumakov was a Soviet Russian microbiologist and virologist most famous for conducting pivotal large-scale clinical trials that led to licensing of the Oral Polio Vaccine developed by Albert B. Sabin. Wikipedia
Born: November 14, 1909, Tula Oblast, Russia
Died: June 11, 1993 (age 83 years), Moscow, Russia
Partner: Marina Konstantinovna Vorosjilova
Known for: Discovery of Tick-borne encephalitis virus; Clinical trial of Oral Polio Vaccine