Chen Ning Yang
Chen Ning Yang is Chinese-American theoretical physicist whose research with Tsung-Dao Lee showed that parity is violated when elementary particles decay. Until the discovery, it had been assumed by physicists that parity symmetry is as universal a law as the conservation of energy. The two were co-awarded the Nobel Prize for Physics for 1957. At age 82, Yang married 28-year-old Weng Fan.
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