Liu Gang (Chinese: 刘刚; born 30 January 1961) is a Chinese-born American aerospace engineer, computer scientist, optical physicist, political activist, and writer. He founded the Beijing Students' Autonomous Federation. He was a prominent student leader at the Tiananmen Square protests of 1989. Liu holds an M.A. in physics from Peking University and an M.A. in computer science from Columbia University. After his exile to the United States in 1996, Liu studied technology and physics at Bell Labs in New Jersey. Liu was employed at Morgan Stanley as a Wall Street IT analyst.
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