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
Sabin Merino Sabin Merino Sabin Merino Zuloaga (; ; born 4 January 1992), known simply as Sabin, is a Spanish professional footballer who plays for CD Leganés on loan from Athletic Bilbao mainly as a left winger. Born in Urduliz, Biscay, Basque Country, Sabin graduated from Danok Bat CF's youth setup after spells at Athletic Bilbao's Lezama and American team Javanon FC. In the summer of 2011 he returned to the "Lions", and made his debut as a senior with the farm team in Tercera División. On 21 June 2013, Sabin was promoted to the reserves in Segunda División B. On 29