Leonid Kantorovich and Vladimir Arnold both acted as what in the Soviet Union?
Leonid Kantorovich Leonid Vitaliyevich Kantorovich (Russian: Леони́д Вита́льевич Канторо́вич ; ] ) (19 January 19127 April 1986) was a Soviet mathematician and economist, known for his theory and development of techniques for the optimal allocation of resources. He is regarded as the founder of linear programming. He was the winner of the Stalin Prize in 1949 and the Nobel Memorial Prize in Economics in 1975.
Yuri Levitan Yuri Borisovich Levitan (Russian: Юрий Борисович Левитан , 2 October 1914 – 4 August 1983) was the primary Soviet radio announcer during and after World War II. He announced on Radio Moscow all major international events in the 1940s–60s including the German attack on the Soviet Union in 1941, the surrender of Germany on 9 May 1945, the death of Joseph Stalin, and the first manned spaceflight in 1961.