Physicist I.V. Grekhov

USSR. Leningrad. April 1966. Lenin Prize laureate, research fellow at the Ioffe Physicotechnical Institute of the USSR Academy of Sciences Igor Vsevolodovich Grekhov. The prize was awarded for the study of complex structures with p-n junctions, the development of manufacturing technology and the introduction of power silicon valves into serial production. The exact date of the photo is unknown. Maxim Blokhin/TASS