Before revision: Overview Lithuanian-Soviet psychologist Bluma Zeigarnik first studied the phenomenon after the professor, Gestalt psychologist Kurt Lewin noticed that a waiter had better recollections of still unpaid orders.
After revision: Overview Lithuanian psychologist Bluma Zeigarnik first studied the phenomenon after the professor, Gestalt psychologist Kurt Lewin noticed that a waiter had better recollections of still unpaid orders.