Leonid Kantorovich and Vladimir Arnold both acted as what in the Soviet Union?
Vladimir Arnold Vladimir Igorevich Arnold (alternative spelling Arnol'd, Russian: Влади́мир И́горевич Арно́льд , 12 June 1937 – 3 June 2010) was a Soviet and Russian mathematician. While he is best known for the Kolmogorov–Arnold–Moser theorem regarding the stability of integrable systems, he made important contributions in several areas including dynamical systems theory, catastrophe theory, topology, algebraic geometry, symplectic geometry, differential equations, classical mechanics, hydrodynamics and singularity theory, including posing the ADE classification problem, since his first main result—the solution of Hilbert's thirteenth problem in 1957 at the age of 19.
Alexander Kantorov Alexander Kantorov (born 1947) is a Russian conductor who was born in Leningrad (now Saint Petersburg) and was a graduate of both Moscow and Saint Petersburg Conservatories. He used to take violin lessons under guidance from Mikhail Vaiman and then completed postgraduate education under guidance from Yuri Temirkanov. He began his conducting career at the Sverdlovsk Philharmonic Symphony Orchestra and then became both a fonder and head conductor of both Sverdlovsk and Saint Petersburg Symphony Orchestras. Currently he conducts numerous works by such famous Russian composers as Nikolai Rimsky-Korsakov, Sergei Prokofiev, Sergei Rachmaninoff, Dmitri Shostakovich, Alexander Taneyev, Pyotr Ilyich Tchaikovsky, as well as German composers such as Ludwig van Beethoven, Johannes Brahms, Wolfgang Amadeus Mozart, Julian Cochran from Australia and Gustav Mahler with Anton Bruckner from Austria. Besides those, he also conducted works of Hector Berlioz and Antonín Dvořák.