Mark Vishik
| Mark Vishik | |
|---|---|
| Native name | Маркo Иосифович Вишик |
| Born |
October 19, 1921 Lvov |
| Died | June 23, 2012 (aged 90) |
| Fields | Partial Differential Equations |
| Institutions | Lomonosov University, Russian Academy of Sciences |
| Alma mater | Steklov Institute of Mathematics |
| Theses |
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| Doctoral advisor | Lazar Aronovich Lusternik |
| Notable awards | Member of Italian Academy of Sciences, Honorary Doctorate of Free University, Berlin |
| Spouse | Asya Guterman |
Mark Vishik (also Marko Vishik, Russian: Марк(o) Иосифович Вишик, October 19, 1921, Lviv – June 23, 2012) was a mathematician from Lwów / Lemberg / Lvov / Lviv, who worked in the field of Partial Differential Equations.
In Lwów, Mark Vishik visited the fifth gymnasium (high school), which specialized in physics and mathematics. His mathematical talent was encouraged by a method of teaching, which left it up to the students to find mathematical proofs. He began studying mathematics at the University of Lvov in December 1939, at the time when the Lwów school mathematics was still active. Among his teachers were Juliusz Schauder, Stanisław Mazur, Bronislaw Knaster, and Edward Szpilrajn, who organized a student conference in 1940 in Lwów, also attended by Stefan Banach.
In June 1941, during the occupation of Lwów the Germans, Vishik left the city with a Komsomol group. Vishik then joined the retreating army and on foot reached Ternopil and then Zhmerynka (in Vinnytsia) and in two more weeks got by means of a freight train to Kiev. After fleeing further to Krasnodar, Vishik passed Dniprodzerzhynsk and for two months helped with the harvest in Timashevsk. He was a student at the pedagogical university in Krasnodar, but because of advancing German troops he then fled further to Makhachkala, where he studied for a year. He fell ill with malaria, but managed to hide on a military train in the fall of 1942 and reached Tbilisi. Vishik was already acquainted with Nikoloz Muskhelishvili, mathematician and president in 1941, founded the Georgian Academy of Sciences, whom he met during Muskhelishvili's visit to Lwów (probably in 1940) and was therefore ready to start studying in Tbilisi. The Mathematical Institute was run by Ilia Vekua there were lectures by V. Kupradze. Vishik became friend with the number theorist Arnold Walfisz. After graduating in 1943, Vishik was advised by Walfisz, Gantmacher, and Muskhelishvili to go to Moscow to continue his studies.
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