Sigal Boris Khunovich (20 October 1938, Vinnytsia, Ukraine) – electrical engineer.

Boris Sigal was born into the family of an engineer, Khuna Davidovich Sigal (1905, Vinnytsia – 1975, Riga), and a feldsher (medical assistant), Rozalia Yakovlevna Khusid (1915, Bratslav, Vinnytsia Region – 1977, Riga). He studied at the North Caucasus Mining and Metallurgical Institute (1956–1960, Ordzhonikidze, North Ossetian ASSR; now Vladikavkaz, the capital of North Ossetia), after which he was transferred to the Riga Institute of Civil Air Fleet Engineers, from which he graduated in 1963. By assignment, he worked at the Kemerovo United Air Squadron (1963–1967). After returning to Riga, he worked as an engineer at the “Latkolkhozproekt” association (1967–1979).

In marriage to Reva Abramovna Sigal (née Kapulskaya) (1941, Zhana-Semey, Semipalatinsk Region, Kazakh SSR), he had a daughter, Izolda Borisovna Sigal (1964, Kemerovo), and a son, Vitaly Borisovich Sigal (1972, Riga).

In 1979, Boris Sigal received permission to emigrate to Israel, where the following relatives were residing: since 1971, his wife’s sister, Roza Abramovna Kaplan (née Kapulskaya) (1937, Riga); and since 1973, her parents, Abram Samuilovich Kapulsky (1911, Riga) and Lyubov Moiseevna Kapulskaya (née Gordon) (1911, Riga), as well as another sister, Yete Abramovna Zalmanovich (née Kapulskaya) (1935, Riga).

Family:

Khuna Davidovich Sigal (1905–1975) – father
Rozalia Yakovlevna Khusid (1915–1977) – mother
David Khunovich Sigal (1940, Orsk, Orenburg Region) – brother
Reva Abramovna Sigal (née Kapulskaya) (1941) – wife
Izolda Borisovna Sigal (1964) – daughter
Vitaly Borisovich Sigal (1972) – son
Abram Samuilovich Kapulsky (1911) – father-in-law
Lyubov Moiseevna Kapulskaya (née Gordon) (1911) – mother-in-law
Yete Abramovna Zalmanovich (née Kapulskaya) (1935) – sister-in-law
Roza Abramovna Kaplan (née Kapulskaya) (1937) – sister-in-law