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YELKIN, David was born in 1895 in Voronezh.
1921 graduated New Russia University, Odessa.
1921-1922 at various research centers and higher education establishments. 1922-1930 instructor, Odessa University. Since 1930 head of a chair.Works deal with: perception and sensation. Perception of time; psychology of memory and habits. Hist, of Soviet psychology.
Religious edicts impose irrational rules on people’s behaviour.
Individuals have rights to express freedom if it safeguarde the interests of a collective.