is a satiric play written by the Swiss author Friedrich Dürrenmatt about three physicists who are living in the private sanatorium " Les Cerisiers " headed by the last living member of an old regional aristocratic family, Miss Dr. h.c. Dr. med. Mathilde Von Zahnd. The first one thinks he is Sir Isaac Newton, but he is in reality Herbert Georg Beutler, the second one thinks he is Albert Einstein and his real name is Ernst Heinrich Ernesti. The third physicist, Johann Wilhelm Möbius is different, he has got no second identity but he is in th ....