Sergey KRYUCHKOV, USSR Methodologist. Professor, Chair of Russia Language, Moscow Lenin State Pedagogical Institute; member, Government Commission for Establishing Standardized Rules of Russian Orthography and Punctuation. K. D. Ushinsky medal.
KRYUCHKOV, Sergey was born in 1897.
Specialist in Russ, orthography and Russia language teaching methods in non-Russia school of USSR. Since 1917 in pedagogics work, mainly at Moscow Lenin State Pedagogical Institute.