Nikolay Yakovlevich Sonin (February 22, 1849 – February 27, 1915) was a Russian mathematician.
He was born in Tula and attended Lomonosov University, studying mathematics and physics there from 1865 to 1869. His advisor was Nikolai Bugaev. He obtained a Master's Degree with a thesis submitted in 1871, then he taught at the University of Warsaw where he obtained a doctorate in 1874. He was appointed to a chair in the University of Warsaw in 1876. In 1894, Sonin moved to St. Petersburg where he taught at the University for Women.
Sonin worked on special functions, in particular cylindrical functions. He also worked on the Euler–Maclaurin summation formula.
Other topics Sonin studied include Bernoulli polynomials and approximate computation of definite integrals, continuing Chebyshev's work on numerical integration. Together with Andrey Markov, Sonin prepared a two volume edition of Chebyshev's works in French and Russian. He died in St. Petersburg.
Olga Alexandrovna Budina (born February 22, 1975) is a Russian theater and film actress. Budina had dreamed of being an actress since her youth. In the Humanities Lyceum, where she studied, she starred in a school production of The Princess and the Pea. Budina attended acting school at the Boris Shchukin University. She made her film debut in 1996 starring in an adaptation of The Little Prince. In 2000, she played Grand Duchess Anastasia in the film The Romanovs: A Crowned Family.
ReplyDeleteOlga Vasilyevna Morozova (Russian: Ольга Васильевна Морозова) (born 22 February 1949 in Moscow, USSR) is a retired female tennis player who competed for the Soviet Union. She was the runner up in singles at the 1974 French Open and 1974 Wimbledon Championships.
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