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Sergey Chaplygin
Russian mathematician (1869–1942).
Born April 5th, 1869 in Chaplygin.
Died October 8th, 1942 at 73 years old in Novosibirsk (stroke).
Occupations
engineer, mathematician, physicist, university teacher
Wikipedia
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You’ll drift apart, it’s true, but you’ll be out in the open, part of everything alive again. Philip Pullman