Hans Spemann (born June 27, 1869, Stuttgart, Württemberg – died Sept. 12, 1941, Freiburg im Breisgau, Ger.), German embryologist who was awarded the Nobel Prize for Physiology or Medicine in 1935 for his discovery of the effect now known as embryonic induction, the influence exercised by various parts of the embryo that directs the development … Continue reading Hans Spemann and the Beginnings of Cloning