Born on Feb. 8, 1932 in Asenovgrad, Plovdiv district. Married, has one son and one daughter.
Completed high school in Asenovgrad 1949. Graduated in Mathematics from Sofia University "St. Kliment Ohridski" 1956. Post-graduate studies at Moscow State University 1960-61, and at the Imperial College in London 1968. Ph.D. in Physics and Mathematics 1964. Ph.D. in Mathematics 1967. Academician 1981. Worked in "Chistota" in Sofia 1950-52. Teacher in Boboshevo and in Elin Pelin, Sofia district 1956-58. Assistant professor at Sofia University "St. Kliment Ohridski" 1958-64. Associate professor at Sofia University "St. Kliment Ohridski" 1964-68. Professor since 1968. Dean of the Department of Physics and Mathematics of Sofia University "St. Kliment Ohridski" 1970-73. Dean of the Sofia University "St. Kliment Ohridski" 1973-79. Deputy chair of the Bulgarian Academy of Sciences 1980-88. Chair of the Bulgarian Academy of Sciences 1988-91. Senior research associate at the Bulgarian Academy of Sciences 1991-94.
Not affiliated with any party. MP in 33rd National Assembly (1976-81), 34th National Assembly (1981-86), 35th National Assembly (1986-90). MP (elected in Veliko Tarnovo) in the 37th National Assembly (Parliamentary Group of the Democratic Left). Chair (Speaker) of the 37th National Assembly.
Publications: "Hausdford Approximations" 1979 (in Russian); "Average Moduli of Roughness" 1983.