Qian Sanqiang

Qian Sanqiang (; 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".

Qian returned to China in 1948 with his wife, the nuclear physicist He Zehui, where he took up a professorship at the Tsinghua University and in 1950 founded the Institute of Modern Physics of the Chinese Academy of Sciences (CAS), today known as the China Institute of Atomic Energy. and honorary Chairman of the China Association for Science and Technology.

Qian made outstanding contributions to the establishment of nuclear science in the People's Republic of China and to the development of the PRC's atomic and hydrogen bombs under the Two Bombs, One Satellite program. In 1999, he and 22 other Chinese scientists and technologists who had made significant contributions to the program were awarded the Two Bombs, One Satellite Meritorious Service Award Medal (Chinese: 两弹一星功勋奖章).

After the end of the Cultural Revolution, Qian was appointed to become a member of the Chinese Academy of Sciences. He was also permitted to resume his work in the atomic energy industry.