Mark Krein
Mark Grigorievich Krein was a Soviet mathematician, one of the major figures of the Soviet school of functional analysis. He is known for works in operator theory, the problem of moments, classical analysis and representation theory.
Early life and career
He was born in Kiev, in the Russian Empire, leaving home at age 17 to go to Odessa. He had a difficult academic career, not completing his first degree and constantly being troubled by anti-semitic discrimination. His supervisor was Nikolai Chebotaryov.He was awarded the Wolf [Prize in Mathematics] in 1982, but was not allowed to attend the ceremony.
David Milman, Mark Naimark, Israel Gohberg, Vadym Adamyan, Mikhail Livsic and other known mathematicians were his students.
He died in Odessa.