Hans Bethe (1906-2005), German-US physicist, giving a lecture at the SLAC (Stanford Linear Accelerator Laboratory) Center, Stanford University, California, USA. Bethe was awarded the Nobel Prize in Physics in 1967 for his work on energy production in stars. He proposed the carbon cycle as a source of stellar energy. This is a series of nuclear reactions involving carbon, nitrogen and oxygen, which plays a major part in energy production in hot stars. With Alpher and Gamow, he proposed a theory of the formation of heavy elements in the early universe. He also worked on the atomic bomb project during World War II. Seated at Bethe's left is the German-US particle physicist Wolfgang Panofsky (1919-2007) the first director of the SLAC (Stanford Linear Accelerator Laboratory). Photographed in 1968. | |
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