Aerospace engineer who helped found Caltech's Jet Propulsion Laboratory, was barred from leaving the United States from 1950 to 1955, then went home to lead the building of China's first missiles and satellites.
Qian Xuesen is hailed as the father of Chinese aerospace.
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His name lives on in 钱学森之问, 'Qian Xuesen's question': in 2005 he told Premier 温家宝 that China's schools keep failing to turn out outstanding talent, and the phrase still frames debates on education.