High Quality Content by WIKIPEDIA articles! Valentina Mikhailovna Borok was a Ukrainian mathematician. She is mainly known for her work on partial differential equations.Borok was born in 1931 in Kharkiv in Ukraine. Her father, Michail Borok, was a chemist, scientist and an expert in material science. Her mother, the jewish Bella Sigal, was a well-known economist. Because of her mothers' high position at the ministry of Economics, she had a privileged early childhood. Because of the political situation, her mother voluntarily resigned in 1937 and took a lower position, presumably because she hoped it would make them safer. It is believed it helped the Borok family survive World War II.

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