Сегодня родился Александр Фридман
On June 16, 1888 in St. Petersburg Alexander Friedman was born. This is an outstanding Russian and Soviet mathematician, a physicist and a geophysicist, a creator of the theory of the non-stationary Universe. Friedman the first in Russia has understood the need of creation of domestic avionics. In the years of war and ruin he has realized his idea, having become the creator and the first plant manager "Aviapribor" in Moscow.