Mikhail Chumakov Mikhail Chumakov Mikhail Petrovich Chumakov () (November 14, 1909 – June 11, 1993) was a Soviet microbiologist and virologist most famous for conducting pivotal large-scale clinical trials that led to licensing of the Oral Polio Vaccine (OPV) developed by Albert B. Sabin. Chumakov graduated in 1931 from Moscow State University Medical School that was later transformed into I.M. Sechenov Moscow Medical Academy. In 1937 Chumakov participated in a scientific expedition to Khabarovsk region of Soviet Far East that was led by Professor . Together with his colleagues he discovered the etiology of a new transmissible neurological disease called tick-borne encephalitis
The Stolen Invention Deering's invention and is greatly impressed with it. Cobleigh offers Deering a small amount of money for the invention, but Deering refuses to accept it. Then Cobleigh, having failed to get his invention by fair means, determines to secure it by foul. He drugs Deering, and the result of the poison is to make the inventor temporarily insane. While in this condition, Cobleigh has Deering transferred to an insane asylum. Then he forges the inventor's name to the bill of sale and thinks that his crime will never be discovered. Deering's daughter, Grace, failing to induce her sweetheart, Tom Reynolds,