Jacob Frenkel (1894–1952) — a prominent Soviet physicist, member of the Academy of Sciences of the USSR ( 1929), the closest ally of Academician AF Joffe, winner of the Stalin Prize ( 1947). He graduated from the Imperial University of Petrograd in 1916. In 1918–1920, he served as a privat-docent at the Tauride univrsitete. From 1921 until his death in January 1952 while working at the Physical — Technical Institute of the USSR Academy of Sciences ( senior physicist and head of operations, head of the Department of Theoretical Physics ), and taught at the Faculty of Physics and Mechanics of the Leningrad Polytechnic Institute M.I. Kalinin ( since 1926 Professor of Theoretical Physics, and since 1931 head of the department of theoretical physics).