Information on Krymov. Afanasii Gavrilovich Krymov (also Evgenii Kyo, Guo Zhaotang, Ko Saotang, Guo Zhoutao, Zheng Zhitang) was born in 1905 in the city of Shanghai, a Chinese, and a citizen of the USSR. He finished his higher education at the Party History Institute of Red Professors. He is a candidate of history.