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 Man Who Mistook His Wife for a Hat The Man Who Mistook His Wife for a Hat The Man Who Mistook His Wife for a Hat and Other Clinical Tales is a 1985 book by neurologist Oliver Sacks describing the case histories of some of his patients. Sacks chose the title of the book from the case study of one of his patients which he names "Dr. P" that has visual agnosia"," a neurological condition that leaves him unable to recognize even familiar faces and objects". Man Who Mistook His Wife for a Hat" became the basis of an opera of the same name by Michael Nyman, which