Samuel Chao Chung Ting (Chinese: ???; pinyin: Ding Zhà ozhong, born January 27, 1936) is a Chinese American physicist who received the Nobel Prize in 1976, with Burton Richter, for discovering the subatomic J/? particle.
He is the founder and principal investigator for the international $2 billion Alpha Magnetic Spectrometer experiment which was installed on the International Space Station on 19 May 2011.