Early 20th century theorists , such as Kurt Koffka , Max Wertheimer , and Wolfgang Köhler ( students of Carl Stumpf ) saw objects as perceived within an environment according to all of their elements taken together as a global construct .
Early 20th century theorists , such as Kurt Koffka , Max Wertheimer , and Wolfgang Köhler ( students of Carl Stumpf ) saw vision of objects as all elements taken together in a global construct .