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CaptionJohn Vincent Atanasoff ataˈnasɔf; October 4 1903 – June 15 1995 was an American physicist and inventor. The 1973 decision of the patent suit Honeywell v. Sperry Rand named him the inventor of the first automatic electronic digital computer. His special-purpose machine has come to be called the Atanasoff–Berry Computer. The son of a Bulgarian immigrant who became an electrical engineer Atanasoff held positions as a teacher --- --- --- John Atanasoff was born on October 4 1903 in Hamilton New York to an electrical engineer and a school teacher. Atanasoff's father Ivan Atanasov was born in 1876 in the village of Boyadzhik close to Yambol. While Ivan was still an infant Ivan's own father was killed by Ottoman soldiers after the Bulgarian April Uprising.[1] In 1889 Ivan Atanasov emigrated to the United States with his uncle. John Vincent Atanasoff's mother Iva Lucena Purdy was a teacher of mathematics. Atanasoff was raised by his parents in Brewster Florida. At the age of nine he learned to use a slide rule followed shortly by the study of logarithms and subsequently completed high school at Mulberry High School in two years. In 1925 Atanasoff received his bachelor of science degree in electrical engineering from the University of Florida graduating with straight A's. --- --- ---Partly due to the drudgery of using the mechanical Monroe calculator which was the best tool available to him while he was writing his doctoral thesis Atanasoff began to search for faster methods of computation. At Iowa State Atanasoff researched the use of slaved Monroe calculators and IBM tabulators for scientific problems. In 1936 he invented an analog calculator for analyzing surface geometry. The fine mechanical tolerance required for good accuracy pushed him to consider digital solutions. According to Atanasoff several operative principles of the Atanasoff–Berry Computer ABC were conceived by the professor in a flash of insight during the winter of 1937–1938
HeadlineHonorary citizen of the city of Yambol Bulgaria [1985; Atanasoff’s father was born in Yambol region]
Copyright Noticeen.wikipedia.org/wiki/ John_Vincent_Atanasoff
URLhttp://en.wikipedia.org/wiki/John_Vincent_Atanasoff

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