Semyon Grigoryevich Firin (Russian: Семён Григорьевич Фирин; June 30, 1898 – August 14, 1937) was a Soviet officer in the intelligence services OGPU and...

head of the Gulag during most of the 1930s, direct supervisor of Firin Semyon Firin, Chief of Construction, also mentioned in 1933 documents as chief...

who vested interest in spying on Gorky, and two other OGPU officers, Semyon Firin and Matvei Pogrebinsky, who held high office in the Gulag. Pogrebinsky...

Yagoda, and of Maxim Gorky. In 1935, Gorky, Averbakh and the NKVD officer Semyon Firin, the deputy head of Gulag, co-edited a book lauding construction of the...