Zhou Guangzhao Native name 周光召 Born (1929-05-15) May 15, 1929 Changsha, Hunan, China Alma mater Tsinghua University Beijing University Occupation Physicist Years active 1957–present Organization Joint Institute for Nuclear Research Chinese Nuclear Weapons Research Institute Chinese Academy of Sciences Virginia Polytechnic Institute European Organization for Nuclear Research US National Academy of Science Known for discovery of PCAC