Academician Nikola Obreshkov

Academician Nikola Obreshkov is a world-famous Bulgarian mathematician, chairman of the Algebra Department at Sofia University and director of the Mathematical Institute at the Bulgarian Academy of Sciences. He was born on March 6, 1896 in Varna, where he finished his primary education. He finished secondary school in Sofia and in 1915 he started studying at the Sofia University, at the Mathematics and Physics Department. In 1916 Nikola Obreshkov was called to the army and sent to the front of the World War I – initially as a private and later as an officer at the Engineer force. After coming back from the front he continued his education and graduated in 1920. Immediately he was appointed at the Differential and Integral Calculus Department. This was the beginning of the bright academic carrier of the young mathematician. In 1922 he became an associate professor in algebra. Three years later he became an extraordinary professor. In 1928 he became a full professor and a chairman of the Algebra Department at Sofia University. He got his first doctoral degree from the University of Palermo, Italy, in 1932. The next year he obtained a doctor of science degree (Docteare es sciences) from the Sorbonne, Paris. Nikola Obreshkov became a regular member of the Bulgarian Academy of Sciences in 1945. Nikola Obreshkov was a visiting professor at the universities of Hamburg, Berlin, Geneva, Rome, Palermo, Leipzig, Dresden, etc. He was invited many times to be reviewer of scientific monographs and works. Nikola Obreshkov has written more than 240 scientific research papers covering a wide range of the mathematical analysis in Bulgarian and foreign magazines and journals – including a few manuals and some monographs. He died on August 11, 1963.