Andrey Gonchar

Andrey Aleksandrovich Gonchar, was a Soviet and Russian mathematician, specializing in analysis.
At the Moscow State University Gonchar graduated in 1954 and received in 1967 his Russian candidate degree under Sergey Mergelyan, He received his Russian doctorate in 1964 from the Steklov Institute. Gonchar was a professor at the Steklov Institute and the Moscow State University. From 1972 to 2002 he was a member of the complex analysis department of the Steklov Institute.
Gonchar's research focused on Padé approximants and asymptotic properties of orthogonal polynomials.
He was an Invited Speaker of the ICM in Moscow in 1966 and in Berkeley 1986. He was elected in 1974 a corresponding member and in 1987 a full member of the Russian Academy of Sciences, of which he was a vice president from 1991 to 1998. In 1998 he received the Demidov Prize.
From 1988 until his death he was an editor for the Matematicheskii Sbornik.