The Simple Problem Einstein Couldn’t Solve … At First

Albert Einstein and Max Wertheimer were close friends. Both found themselves in exile in the United States after fleeing the Nazis in the early 1930s, Einstein at Princeton and Wertheimer in New York. They communicated by exchanging letters in which Wertheimer would entertain Einstein with thought problems. In 1934 Wertheimer sent the following problem in … Continue reading The Simple Problem Einstein Couldn’t Solve … At First