What was the name given to Jiang Qing (Mao Zedong's ex-wife), Zhang Chunqiao, Yao Wenyuan, and Wang Hongwen, Chinese Communist Party officials who were prominent during the Cultural Revolution and were arrested in 1976, charged with treason?
To which astronomer and cosmologist is what became known as the "big bang theory", the currently leading cosmological theory as modified by George Gamow, attributed?
