Shavkat Shigabutdinovich Ibragimov (born 22.10.1923) was a Soviet physicist, an academician of the Academy of Sciences of the Kazakh SSR (1970) and its vice-president (from 1974).
Abram Fedorovich Ioffe (29.10.1880-14.10.1960) was a Soviet physicist, an academician (1920; corresponding member 1918) and vice-president (1926—29, 1942 — 45).
Viktor Evgenyevich Ivanov (22.02.1908-24.12.1980) was a Soviet experimental physicist, a corresponding member of the USSR Academy of Sciences (1964) and an academician of the Academy of Sciences of the Ukrainian SSR (196…
Boris Semyonovich Jacobi (21.09.1801-27.02.1874) was a Russian physicist and electrical engineer and a member of the St Petersburg Academy of Sciences (1847).
Lajos Jánossy (2.03.1912-2.03.1978) was a Hungarian physicist and a member of the Hungarian Academy of Sciences (1950), and its vice-president in 1958-73.