Hans Dehmelt received the Nobel Prize in Physics in 1989 for his development of the ion trap technique, used for high precision measurement of the electron g-factor. Dehmelt was born in Germany. From his school days in Berlin, he was fascinated by radio technology. He began his university training in physics while serving in the German Army during World War II, but was captured by American forces at the Battle of the Bulge. After the war, he supported himself in graduate school by repairing and bartering old, pre-war radios. He received his Ph.D. in Physics from the University of...