Russia. Sofia Kovalevskaya – Russian mathematician. Illustrated Envelop with special cancellation

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Sofia Kovalevskaya – Russian mathematician.

Illustrated Envelop with special cancellation

Description Sofia Vasilyevna Kovalevskaya, born Sofia Vasilyevna Korvin-Krukovskaya (15 January [O.S. 3 January] 1850 – 10 February 1891), was a Russian mathematician who made noteworthy contributions to analysis, partial differential equations and mechanics. She was a pioneer for women in mathematics around the world – the first woman to obtain a doctorate (in the modern sense) in mathematics, the first woman appointed to a full professorship in Northern Europe and one of the first women to work for a scientific journal as an editor. According to historian of science Ann Hibner Koblitz, Kovalevskaia was “the greatest known woman scientist before the twentieth century”.
Type Illustrated Envelop with special cancellation “125 years anniversary of the birth”
Condition: Good
Edges/Corners Fine
Used/Unused Cancellation, Moscow, 15.01.1975
Published by/for: Ministry of Communications, 1974

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