Qian Sanqiang (Chinese: 钱三强; October 16, 1913 – June 28, 1992), also known as Tsien San-Tsiang, was a Chinese nuclear physicist and among the leading scientists of the Two Bombs, One Satellite program. Due to his central role in the development of China's nuclear industry and nuclear weapons program, he is referred to as the "father of China's atomic bomb".[1][2] Coincidentally, China's first atomic bomb test was conducted on Qian's 51st birthday.