Date of Birth: 04/15/1880
Place of birth: Prague
In 1912 he conducted a pilot study of the phenomenon of apparent movement, marked the beginning of Gestalt psychology. I explain it by using the principle of physiological and mental isomorphism: the apparent movement is a subjective evidence that the brain was a physiological "short circuit". With the 20-ies. I began using the method of "reasoning aloud" (in dialogue with the experimenter) to the study of the stages of thinking. Also involved in the problems of musical perception, the psychology of "primitive peoples", parapsychology. Known to his development of "lie detector".