Fridman (Friedmann) Semyon (Semjon) Efimovich (18 October 1935, Vitebsk) — engineer.

His father, Efim Fridman (1907–1941), was killed at the front in 1941. During the years of evacuation Semyon Fridmanhe lived in the city of Chkalov; after the war he returned to Vitebsk. After the death of his mother, Rakhil Fridman (1907–1948), he and his sister Nelya (née Fridman, later Kreiner; born 1938) moved to Riga, where they lived with relatives on their mother’s side.

From 1953 to 1956 he was a cadet at an anti-aircraft artillery school in Alūksne. From 1956 to 1958 he served in the Soviet Army (Riga, Bolderāja). In 1958 he began working at the VEF factory as an adjuster of telephone equipment. In 1965 he graduated from the Riga Polytechnic Institute (evening department), receiving a degree as an electrical engineer, and in 1967 was promoted to engineer in the mechanization department of the VEF plant.

From 1967 to 1969 he worked as a senior engineer at the enterprise Latgiprostroy, and from 1969 as an engineer at the computing center of the “Avrora” factory.

In 1972 he emigrated from Latvia together with his family.

Family:

Beila Fridman (née Levinson) (1946) — wife
Efim Fridman (1907–1941) — father
Rakhil Fridman (1907–1948) — mother
Robert Fridman (1965) — son
Nelya Kreiner (née Fridman) (1938) — sister
Yakov Levinson (1904) — wife’s uncle
David Levinson (1911) — wife’s uncle