Once logged in, you can add biography in the database
Specialist in mental and physical defects
DYACHKOV, Aleksey was born in 1900.
Specialist in education and training of deaf-mutes. Is working on a system of teaching deaf-mutes mathematics.
Religion is bad because it gets people to believe something untrue.
Marxism–Leninism as the only truth could not, by its very nature, become outdated.