Hsue-Chu Tsien

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Hsue-Chu Tsien

Chinese: 學榘 錢
Birthdate:
Birthplace: 杭州市, 浙江省, 中国
Death: Died in CA, USA
Cause of death: Cancer
Immediate Family:

Son of 家潤 錢
Husband of Yi Ying (Eva) Tsien / 李懿颖
Father of Richard Winyu Tsien; Roger Tsien; Roger Yonchien Tsien, Nobel Prize in Chemistry, 2008 and Private User
Brother of 學仁 錢

Occupation: aeronautic and mechanical engineer
Managed by: Private User
Last Updated:

About Hsue-Chu Tsien

Hsue-Chu Tsien, (H.C. Tsien, 1914–1997; simplified Chinese: 钱学榘; traditional Chinese: 錢學榘; pinyin: Qián Xuéjù), was an aeronautic and mechanical engineer who played important roles in aircraft building in both China and afterward the United States.

Biography

Tsien was born in 1914 in Hangzhou, the capital city of Zhejiang Province, China. Tsien was one of the 33rd-generational grandsons of Tsien Liu, the King of Wuyue. Tsien studied at Zhejiang Anding School (浙江安定學堂; currently Hangzhou No.7 High School) and Hangzhou High School.

Tsien was admitted by the National Chekiang University (current Zhejiang University) in Hangzhou. In 1931 August, Tsien chose the Jiaotong University (later split into current Shanghai Jiao Tong University in Shanghai, Xi'an Jiaotong University in Xi'an, and National Chiao Tung University in Hsinchu, Taiwan) in Shanghai, and enrolled at the School of Mechanics. Tsien completed his internship at the National Central Aviation Academy (國立中央航空學校) in Jianqiao (筧桥, aka Chien Jiao), suburban of Hangzhou, Zhejiang Province.

Tsien graduated the top of 161 from the school of mechanics. Soon after graduation Tsien went to Beiping (current Beijing) and became a teaching assistant at Tsinghua University where he taught undergraduate courses for one year.

In August 1935, Tsien won the Boxer Rebellion Indemnity Scholarship. He went to study mechanics and aeronautics in the United States. In 1937, Tsien obtained his master's degree in aeronautical engineering from the Massachusetts Institute of Technology. In the same year, the Second Sino-Japanese War broke out, Tsien continued staying in the United States and was in charge of importing plants for the Central Machinery Factory (中央機器厰) of the National Resources Commission for the war-time China. Based on the Allies' agreement, those plants were used to support the battlefront of the war.

In 1938, Tsien went to work in Switzerland and returned in 1939. Tsien was pointed the deputy chief-engineer (the Chief Engineer was Y. T. Li) of the aircraft engine factory of the National Air Aviation Commission (國家航空委員會), which was the most important aircraft manufacturer of the Republic of China during the World War II. Because of the invasion of Japanese army, the factory was relocated in Dading, Guizhou Province, the rear area and one of the logistic centers of China during the war.

In 1943, Tsien was sent to India, and was responsible for organizing and importing necessary supplies into west China through India, to support the war. Because the east coastline and northeast China were already occupied by Japanese army, and the Indochina route was the only open way that Allies can deliver supplies to China. Tsien also participated in the design and manufacture of vehicles and aircraft for battle and transport uses. Tsien was ranked Colonel of the Republic of China Air Force. Tsien made contributions for Allies to the victory of the World War II East Asian battlefield.

After the end of the Second World War, Tsien and his family settled in the United States. Due to the queasy atmosphere of the following Cold War and China's extreme turmoil, Tsien naturalized as an American citizen after 1949. Tsien later served as the chief engineer of Boeing.

In 1997, Tsien succumbed to cancer in California at age 83.

Legend of Tsien's family

H.C. and H.S. Tsien

Tsien's cousin, the famous aerospace scientist and engineer Tsien Hsue-shen (H.S.), also played important roles both in the United States and China (however, quite opposite to Hsue-Chu Tsien's first-ROC-then-USA, H.S. first served for the United States and subsequently after deportation for PRC). H.S. is a co-founding father of the Jet Propulsion Laboratory of NASA (managed by Caltech). These two cousins had totally different destinies. After 1949, Hsue-Chu Tsien decided to stay and work in the United States; however H.S., a widely regarded victim of the McCarthyism during 1950s, finally was deported and delivered from the United States to the communist China in 1956. H.S. became the prominent leader of China's rocket and missile programs. In 1979, H.S. was awarded the prestigious Distinguished Alumni Award of Caltech, which he received in 2001. H.S., a senior academician of both the Chinese Academy of Sciences and Chinese Academy of Engineering, died in Beijing on October 31, 2009 at age 97.

Interestingly, Hsue-Chu Tsien and H.S. not only shared the same paternal grandfather, but also were school mates. They matriculated at the same university (Jiaotong University) and studied the same major at the same school, with H.S. was one year senior.

Both Tsiens won the Boxer Rebellion Indemnity Scholarship and went to study in the United States in 1930s, with H.S. went to USA in August 1934, and Hsue-Chu Tsien followed after one year (in August 1935). They became school mates again in the United States, both studied at MIT, but H.S. later would transfer to Caltech.

During World War II, H.C. was given the military rank of Air Force Colonel by the Republic of China when he served as the Deputy Chief Engineer at the Dading Airplane Factory (大定飛機製造廠) in Dading, Guizhou Province. Approximately at the same time, H.S. was also temporarily given the military rank as Air Force Colonel, but by the United States Army. In 1956 during the Sino-Soviet negotiation, H.S. was again temporarily granted military rank but as the Lieutenant General of the People's Liberation Army; it was nominated by Zhou Enlai and approved by Chairman Mao Zedong.

The science and engineering dynasty

Hsue-Chu Tsien married Yi-Ying Tsien (Née: Li; 李懿颖), also an MIT alumnus, and whose brothers were also MIT alumni and engineering professors at MIT. Two of Yi-Ying Tsien's brothers S. Y. Lee and Y. T. Li are members of the National Academy of Engineering. Y. T. Li's wife, T.D. Lin (林同端), is the sister of Tung-Yen Lin who was also a member of the National Academy of Engineering and received the National Medal of Science in 1986 from President Ronald Reagan. Tung-Yen Lin's cousin Tung Hua Lin was also a member of the National Academy of Engineering and received the Theodore von Karman Medal in 1988. Tung Hua Lin's son Robert Lin is a member of National Academy of Sciences.

Hsue-Chu Tsien had three sons, the oldest Richard W. Tsien is a famous neurobiologist at Stanford who's also member of both the United States National Academy of Sciences and Institute of Medicine; the youngest - Roger Y. Tsien is a cell biologist who is the 2008 Nobel Chemistry Prize Laureate.

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Hsue-Chu Tsien's Timeline

1914
1914
杭州市, 浙江省, 中国
1952
February 1, 1952
Age 38
New York, NY, USA
1997
1997
Age 83
CA, USA
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