Rosenberg Efraim Berovich (4 April 1928, Riga) — mechanical engineer.

Efraim Rosenberg completed four grades of a Jewish primary school, and in 1941, together with his mother, was evacuated to Cheboksary (Chuvash ASSR). At the end of 1941 the family moved to Tashkent, and in 1943, after his father was mobilized, they settled in Kyrgyzstan. In March 1945 the family returned to Riga.

In 1945–1946 Rosenberg worked as an apprentice electrician at the “Varonis” factory. From 1946 to 1950 he studied at the Riga Industrial Polytechnic School. From 1950 to 1959 he worked as a technician-electrician and energy dispatcher at the power division of the Latvian Railway.

In 1959 he graduated from the Mechanical Faculty of the Central Correspondence Institute of the Fish Industry, receiving the qualification of mechanical engineer. From 1959 to 1966 he worked as chief mechanic at the bread factory of the Lenin District of Riga. From 1966 to 1978 he was head of a group at the design institute “Latgiproselstroy.”

Rosenberg’s father, Ber Rosenberg (1904–1969), was born in Jēkabpils and buried in Riga. His brother, Khaim Misulovin (née Rosenberg) (1946, Riga), together with Rosenberg’s mother Khava Rosenberg (née Katz) (1907, Daugavpils), left Latvia for Israel in 1971 and later lived and worked in West Berlin.

In 1978 Efraim Rosenberg received permission to leave Latvia.

Family:

Masha Elelman (née Rosenberg) (1951, Riga) — daughter
Leya Rosenberg (née Freidenson) (1928, Daugavpils) — wife
Ber Rosenberg (1904, Jēkabpils — 1969, Riga) — father
Khava Rosenberg (née Kats) (1907, Daugavpils) — mother
Khaim Misulovin (née Rosenberg) (1946, Riga) — brother
Ida Teitelbaum (née Westerman) (1946, Liepāja) — half-sister of daughter’s husband