S. Kovalev
Sergei Ivanovich Kovalev. Born Sept. 13 (25), 1886, in the village of Kuganak, present-day Bashkir ASSR; died Nov. 12, 1960, in Leningrad. Soviet historian of antiquity; doctor of historical sciences (1938). Kovalev was a professor at the University of Leningrad fr...