Wolfgang Kohler was a #German #psychologist, one of the founders of the Gestalt psychology. From 1913, Kohler served as the director in the Prussian Academy of Sciences anthropoid research station for six years. During the six years, he wrote his book "The Mentality of Apes", and published in 1917. Later in 1929, he published "Gestalt psychology ". In 1956, Kohler was awarded the Distinguished Scientific Contributions Award of the American Psychological Association.