Nikolai Bernstein

Nikolai Aleksandrovich Bernstein (Russian: Никола́й Алекса́ндрович Бернште́йн; 5 November 1896 – 16 January 1966) was a Soviet neurophysiologist who has pioneered motion-tracking devices and formal processing of information obtained from the use of these devices. He was also one of first psychologists to suggest that behaviour is generative, constructive and not reactive. He was born and died in Moscow.