Nikolai Bugaev
Nikolai Bugaev  

Born 
Georgia, Russian Empire 
September 14, 1837
Died  June 11, 1903 Moscow, Russian Empire 
(aged 65)
Nationality  Russian 
Alma mater  Lomonosov University 
Scientific career  
Fields  Mathematics 
Institutions  Lomonosov University 
Doctoral advisor 
Karl Weierstrass Ernst Kummer Joseph Liouville 
Doctoral students 
Dmitri Egorov Nikolay Sonin 
Nikolai Vasilievich Bugaev (Russian: Никола́й Васи́льевич Буга́ев; September 14, 1837 – June 11, 1903) was a prominent Russian mathematician, the father of Andrei Bely.
Biography
Bugaev was born in Georgia, Russian Empire into a somewhat unstable family (his father was an army doctor), and at the age of ten young Nikolai was sent to Moscow to find his own means of obtaining an education. He succeeded, graduating in 1859 from Moscow University, where he majored in mathematics and physics. He went on to study engineering, but in 1863 wrote a Master's thesis on the convergence of infinite series. This document was sufficiently impressive to win him a place studying under Karl Weierstrass and Ernst Kummer in Berlin. He also spent some time in Paris studying under Joseph Liouville. He earned his doctoral degree in 1866 and returned to Moscow, where he taught for the remainder of his career. Some of his most influential papers offered proofs of previously unproven assertions of Liouville, but his most original work centered around the development of formal analogies between arithmetic and analytic operations.
Bugaev was the active member of the Moscow Mathematical Society and the president of it (18911903). He also wrote influential philosophical essays in which he trumpeted the virtues of mathematical analysis and decried the influence of geometry and probability. Many feel he is largely responsible for the pronounced predilection towards "hard analysis" which is characteristic of so much of the best Russian mathematics. Through Bugaev's star student, Dmitri Egorov, many famous Russian mathematicians, such as Andrei Kolmogorov and Nikolai Luzin, directly "descend" from Bugaev—and thus from the Prince of Mathematicians, Carl Friedrich Gauss.
Nikolai Bugaev was also a talented chess player; some of his games are available at orangutanpeople site.
Bugaev was a memorable "character" whose life was touched by scandal. He was not, it is said, much admired for his looks, but his wife was brilliant, beautiful, and rich, and the Bugaevs were socially prominent. Their mathematically, musically, and artistically talented son, Boris Nikolaevich Bugaev (14 October 1880 O.S.8 January 1934), went on to adopt the pseudonym Andrei Bely, under which name he helped found the Symbolist movement. Professor Korobkin, the main character of Bely's innovative novel Moscow, was inspired by Nikolay Bugayev. Interestingly enough, in view of his father's prejudices, Boris Bugaev was fascinated by probability and particularly by the notion of entropy, which is mentioned in several of his novels and poems.
References
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Wikimedia Commons has media related to Nikolai Bugaev. 
 "Nicolai Vasilievich Bugaev". The Mathematics Genealogy Project. American Mathematical Society. Retrieved August 13, 2005.
 Robertson, J. R.; &. "Nicolai Vasilievich Bugaev". MacTutor History of Mathematics Archive. Retrieved August 13, 2005.
 Steinberg, Ada (1982). Word and music in the novels of Andrey Bely. Cambridge: Cambridge University Press. ISBN 0521237319.