Qian Xuesen

Qian Xuesen, or Hsue-Shen Tsien (Chinese: 钱学森; 11 December 1911 – 31 October 2009), was a Chinese mathematician, cyberneticist, aerospace engineer, and physicist who made significant contributions to the field of aerodynamics and established engineering cybernetics. Recruited from MIT, he joined Theodore von Kármán's group at Caltech.[1] During WWII, he was involved in the Manhattan Project, which ultimately led to the successful development of the first atomic bomb in America.[2][3] Later on, under the pressure of deportation for suspicions of association with Communists, he would eventually return to China, where he would make important contributions to China's missile and space program.

"Hsue-Shen Tsien" redirects here. For the 2012 biographical film, see Hsue-shen Tsien (film).
In this Chinese name, the family name is Qian (Tsien).
Qian Xuesen
Hsue-Shen Tsien
钱学森
Born(1911-12-11)11 December 1911
Shanghai, Qing Empire
Died31 October 2009(2009-10-31) (aged 97)
Beijing, China
NationalityChinese
Alma materNational Chiao Tung University
Massachusetts Institute of Technology
California Institute of Technology
Known forCo-founder of the Jet Propulsion Laboratory
Founder of engineering cybernetics
Father of Chinese space program
Work on the Manhattan Project
Spouse(s)
​
(m. 1947)​
ChildrenQian Yonggang
Qian Yungjen
AwardsDistinguished Alumni Award from Caltech (1979)
Scientific career
FieldsAerospace engineering
Aeronautics
Engineering cybernetics
InstitutionsCalifornia Institute of Technology (professor) and Jet Propulsion Laboratory (co-founder)
Massachusetts Institute of Technology (professor)
Fifth Academy of the Ministry of National Defense, PRC (first director)
Institute of Mechanics of the Chinese Academy of Sciences (first director)
Commission of Science and Technology for National Defense of the PLA (vice-director)
ThesisProblems in motion of compressible fluids and reaction propulsion (1939)
Doctoral advisorTheodore von Kármán
Doctoral studentsCheng Chemin
Chinese name
Traditional Chinese錢學森
Simplified Chinese钱学森
Literal meaningQian (surname) learning-forest

During the Second Red Scare, in the 1950s, the US federal government accused him of communist sympathies. In 1950, despite protests by his colleagues, he was stripped of his security clearance.[4] He decided to return to China, but he was detained at Terminal Island, near Los Angeles.[5]

After spending five years under house arrest,[6] he was released in 1955 in exchange for the repatriation of American pilots who had been captured during the Korean War. He left the United States in September 1955 on the American President Lines passenger liner SS President Cleveland, arriving in China via Hong Kong.[7]

Upon his return, he helped lead the Chinese nuclear weapons program.[8] This effort ultimately led to China's first successful atomic bomb test and hydrogen bomb test, making China the fifth nuclear weapons state, and achieving the fastest fission-to-fusion development in history. Additionally, Qian's work led to the development of the Dongfeng ballistic missile and the Chinese space program. For his contributions, he became known as the "Father of Chinese Rocketry", nicknamed the "King of Rocketry".[9][10] He is recognized as one of the founding fathers of Two Bombs, One Satellite.[11]

In 1957, Qian was elected an academician of the Chinese Academy of Sciences. He served as a Vice Chairman of the National Committee of the Chinese People's Political Consultative Conference from 1987 to 1998.

He was the cousin of mechanical engineer Hsue-Chu Tsien, who was involved in the aerospace industries of China and the United States; his nephew is Roger Y. Tsien, the 2008 winner of the Nobel Prize in Chemistry.

Early life and education

Qian was born in Shanghai, with ancestral roots in Hangzhou. He graduated from The High School Affiliated to Beijing Normal University, with Lu Shijia as classmate, and attended National Chiao Tung University (now Shanghai Jiaotong University) in 1934. There, he received a degree in mechanical engineering with an emphasis on railroad administration. He interned at Nanchang Air Force Base.

In August 1935, Qian left China on a Boxer Indemnity Scholarship to study mechanical engineering at the Massachusetts Institute of Technology (MIT), where he earned a Master of Science degree after one year.

While at MIT he was called Hsue-Shen Tsien. He was influenced by the methods of American engineering education, especially its focus on experimentation. This was in contrast to the contemporary approach practiced by many Chinese scientists, which emphasized theoretical elements rather than "hands-on" experience. Tsien's experiments included plotting of pitot pressures using mercury-filled manometers.

Theodore von Kármán, Tsien's doctoral advisor, described their first meeting:

One day in 1936 he came to me for advice on further graduate studies. This was our first meeting. I looked up to observe a slight short young man, with a serious look, who answered my questions with unusual precision. I was immediately impressed with the keenness and quickness of his mind, and I suggested that he enroll at Caltech for advanced study ... Tsien agreed. He worked with me on many mathematical problems. I found him to be quite imaginative, with a mathematical aptitude that he combined successfully with a great ability to visualize accurately the physical picture of natural phenomena. Even as a young student he helped clear up some of my own ideas on several difficult topics. These are gifts which I had not often encountered and Tsien and I became close colleagues.[12]:309

Kármán made his home a social scene for the aerodynamicists of Pasadena, and Tsien was drawn in: "Tsien enjoyed visiting my home, and my sister took to him because of his interesting ideas and straightforward manner."

Career in the United States
Left to right: Ludwig Prandtl (German scientist), Hsue-Shen Tsien, Theodore von Kármán. Prandtl served Germany during World War II; von Kármán and Tsien served the United States; after 1956, Tsien served China. Tsien's overseas cap displays his temporary U.S. Army rank of colonel. Prandtl was von Kármán's doctoral adviser; von Kármán in turn was Tsien's.

Shortly after arriving at Caltech in 1936, Tsien became fascinated with the rocketry ideas of Frank Malina, other students of von Kármán, and their associates, including Jack Parsons. Along with his fellow students, he was involved in rocket-related experiments at the Guggenheim Aeronautical Laboratory at Caltech. Around the university, the dangerous and explosive nature of their work earned them the nickname "Suicide Squad."[13][14] Tsien received his PhD from Caltech in 1939.[15]

During the Second World War, Tsien worked in the Manhattan Project, which led to America successfully developing the first atomic bomb.[3][16][17] In 1943, Tsien and two other members of their rocketry group drafted the first document to use the name Jet Propulsion Laboratory (JPL), originally a proposal to the Army for developing missiles in response to Germany's V-2 rocket. This led to Private A, which flew in 1944, and later the Corporal, the WAC Corporal, and other designs.

In 1945, as an Army colonel with a security clearance, Tsien was sent to Germany to investigate laboratories and question German scientists, including Wernher von Braun.[18][19]

Von Kármán wrote of Tsien, "At the age of 36, he was an undisputed genius whose work was providing an enormous impetus to advances in high-speed aerodynamics and jet propulsion."[20] During this time, he worked on designing an intercontinental space plane, which would later inspire the X-20 Dyna-Soar, a precursor to the American Space Shuttle.

Tsien married Jiang Ying (蒋英), a famed opera singer and the daughter of Jiang Baili (蒋百里) and his wife, Japanese nurse Satô Yato. The elder Jiang was a military strategist and adviser to Kuomintang leader Chiang Kai-shek. The Tsiens were married on 14 September 1947[21] in Shanghai, and had two children; their son Qian Yonggang (钱永刚, also known as Yucon Tsien[22]) was born in Boston on 13 October 1948,[23] while their daughter Qian Yongzhen (钱永真) was born in early 1950[24] when the family was residing in Pasadena, California.

Shortly after his wedding, Tsien returned to America to take up a teaching position at MIT. Jiang Ying would join him in December 1947.[25] In 1949, with the recommendation of von Kármán, Tsien became Robert H. Goddard Professor of Jet Propulsion at Caltech.[13]

In 1947, Tsien was granted a permanent resident permit,[7] and in 1949, he applied for naturalization, although he could not obtain citizenship.[4] Except for the memories of a few individuals,[4] there is no other official proof indicating that Tsien had tried to apply for naturalization. Years later, his wife Jiang Ying said in an interview with Phoenix Television that Tsien did not apply for naturalization.[26]

Detention

By the early 1940s, US Army Intelligence was already aware of allegations that Tsien was a Communist, but his security clearance was not suspended.[27] However, on 6 June 1950, his security clearance was revoked and Tsien was questioned by the FBI. Two weeks later Tsien announced that he would be resigning from Caltech and returning to China, which by then was effectively governed by the Communist Party of China led by Mao Zedong.[6][28]

In August, Tsien had a conversation on the subject with the then Under Secretary of the Navy Dan A. Kimball, whom Tsien knew on a personal basis. After Tsien told him of the allegations, Kimball responded, "Hell, I don't think you're a Communist", at which point Tsien indicated that he still intended to leave the country, saying "I'm Chinese. I don't want to build weapons to kill my countrymen. It's that simple." Kimball then said, "I won't let you out of the country."[29]

After the firm in charge of arranging Tsien's move back to China tipped off U.S. Customs that some of the papers encountered among his possessions were marked "Secret" or "Confidential," U.S. officials seized them from a Pasadena warehouse. The U.S. Immigration and Naturalization Service issued a warrant for Tsien's arrest on 25 August. Tsien claimed that the security-stamped documents were mostly written by himself and had outdated classifications, adding that, "There were some drawings and logarithm tables, etc., which someone might have mistaken for codes."[30] Included in the material was a scrapbook with news clippings about the trials of those charged with atomic espionage, such as Klaus Fuchs.[31] Subsequent examination of the documents showed they contained no classified material.[7]

While at Caltech, Tsien had secretly attended meetings with J. Robert Oppenheimer's brother Frank Oppenheimer, Jack Parsons, and Frank Malina that were organized by the Russian-born Jewish chemist Sidney Weinbaum and called Professional Unit 122 of the Pasadena Communist Party.[32] Weinbaum's trial commenced on 30 August and both Frank Oppenheimer and Parsons testified against him.[33] Weinbaum was convicted of perjury and sentenced to four years.[34] Tsien was taken into custody on 6 September 1950 for questioning[7] and for two weeks detained at Terminal Island, a low-security United States federal prison near the ports of Los Angeles and Long Beach.

When Tsien had returned from China with his new bride in 1947, he had answered "no" on an immigration questionnaire that asked if he ever had been a member of an organization advocating overthrow of the U.S. Government by force. This, together with an American Communist Party document from 1938 with Tsien's name on it, was used to argue that Tsien was a national security threat. Prosecutors also cited a cross-examination session where Tsien said, "I owe allegiance to the people of China" and would "certainly not" let the United States government make his decision for him as to whom he would owe allegiance to in the event of a conflict between the U.S. and communist China.[35]

On 26 April 1951, Tsien was declared subject to deportation and forbidden from leaving Los Angeles County without permission, effectively placing him under house arrest.[36]

During this time, Tsien wrote Engineering Cybernetics, which was published by McGraw Hill in 1954. The book deals with the practice of stabilizing servomechanisms. In its 18 chapters, it considers non-interacting controls of many-variable systems, control design by perturbation theory, and von Neumann's theory of error control (chapter 18). Ezra Krendel reviewed[37] the book, stating that it is "difficult to overstate the value of Tsien's book to those interested in the overall theory of complex control systems." Evidently, Tsien's approach is primarily practical, as Krendel notes that for servomechanisms, the "usual linear design criterion of stability is inadequate and other criteria arising from the physics of the problem must be used."

Return to China

Qian became the subject of five years of secret diplomacy and negotiation between the U.S. and China. During this time, he lived under constant surveillance with the permission to teach without any classified research duties.[6] Qian received support from his colleagues at Caltech during his incarceration, including president Lee DuBridge, who flew to Washington to argue Qian's case. Caltech appointed attorney Grant Cooper to defend Qian.

The travel ban on Qian was lifted on 4 August 1955,[7] and he resigned from Caltech shortly thereafter. With President Dwight Eisenhower personally agreeing, Qian departed from Los Angeles for Hong Kong aboard the SS President Cleveland in September 1955 amidst rumors that his release was a swap for 11 U.S. airmen held captive by China since the end of the Korean War.[38][39][40] Qian arrived at Hong Kong on 8 October 1955 and entered China via the Kowloon–Canton Railway later that day.

Under Secretary Kimball, who had tried for several years to keep Qian in the U.S., commented on his treatment: "It was the stupidest thing this country ever did. He was no more a Communist than I was, and we forced him to go."[4]

Upon his return, Qian began a remarkably successful career in rocket science, boosted by the reputation he garnered for his past achievements as well as Chinese state support for his nuclear research. He led and eventually became the father of the Chinese missile program, which constructed the Dongfeng ballistic missiles and the Long March space rockets.

Chinese nuclear program and other studies

In October 1956, he became the director of the Fifth Academy of the Ministry of National Defense, tasked with ballistic missile and nuclear weapons development. He was part of the overall effort that resulted in the successful "596" atomic bomb test on 16 October 1964, and the "Test No. 6" hydrogen bomb test on 17 June 1967. This was the fastest fission-to-fusion development in history at 32 months, compared to 86 months for the United States and 75 months for the USSR, and gave China a thermonuclear device ahead of major Western powers like France.

Qian's reputation as a prominent scientist who was caught up in the red scare in the United States gave him considerable influence in the era of Mao Zedong and afterward. Qian eventually rose through Party ranks to become a Central Committee member. He became associated with the China's Space Program - From Conception to Manned Spaceflight initiative.

Qian was elected as an academician of the Chinese Academy of Sciences in 1957, a lifelong honor granted to Chinese scientists who have made significant advancements in their field. He organized scientific seminars and dedicated some of his time to training successors for his positions.[41]

He was heavily involved in the establishment of the University of Science and Technology of China (USTC) in 1958 and served as the Chairman of the Department of Modern Mechanics of the university for a number of years.

Outside of rocketry, Qian had a presence in numerous areas of study. He was among the creators of systematics, and made contributions to science and technology systems, somatic science, engineering science, military science, social science, the natural sciences, geography, philosophy, literature and art, and education. His advancements in the concepts, theories, and methods of the system science field include studying the open complex giant system.[42][43] Additionally, he helped establish the Chinese school of complexity science.

From the 1980s onward, Qian had advocated the scientific investigation of traditional Chinese medicine, Qigong, and the concept of "special human body functions". He particularly encouraged scientists to accumulate observational data on qigong so that future scientific theories could be established.[44]

Later life
Qian Xuesen Library, Xi'an Jiaotong University

Qian retired in 1991 and lived quietly in Beijing, refusing to speak to Westerners.[45]

In 1979, Qian was awarded Caltech's Distinguished Alumni Award for his achievements. Qian eventually received his award from Caltech, and with the help of his friend Frank Marble brought it to his home in a widely covered ceremony. Furthermore, in the early 1990s, the filing cabinets containing Qian's research work were offered to him by Caltech.

Qian was invited to visit the US by the American Institute of Aeronautics and Astronautics after the normalization of the Sino-US relationship, but he refused the invitation, having wanted a formal apology for his detention. In a reminiscence published in 2002, Marble stated that he believed Qian had "lost faith in the American government" but that he had "always had very warm feelings for the American people."[46]

The Chinese government launched its manned space program in 1992, reportedly with some help from Russia due to their extended history in space. Qian's research was used as the basis for the Long March rocket, which successfully launched the Shenzhou V mission in October 2003. The elderly Qian was able to watch China's first manned space mission on television from his hospital bed.

In 2008, he was named Aviation Week and Space Technology Person of the Year. The recognition was not intended as an honor, but is given to the person judged to have the greatest impact on aviation in the past year.[20][47] Furthermore, that year China Central Television named Qian as one of the eleven most inspiring people in China.[48]

In July 2009, the Omega Alpha Association, an international systems engineering honor society, named Qian (H. S. Tsien) one of four Honorary Members.[49]

On October 31, 2009, Qian died at the age of 98 in Beijing.[50][51]

A Chinese film production, Hsue-shen Tsien, directed by Zhang Jianya and starring Chen Kun as Qian was simultaneously released in Asia and North America on December 11, 2011,[52] and on March 2, 2012, it was released in China.

Science fiction author Arthur C. Clarke, in his 1982 novel 2010: Odyssey Two, named a Chinese spaceship after him. The science fiction novel series The Expanse by James S. A. Corey also named a Martian spaceship after him (MCRN Xuesen). In the 1981 novel Noble House by James Clavell, the American-Chinese scientist who defected to China and helped develop the first atom bomb for China, Dr. Joseph Yu, is a fictionalized version of Dr. Qian Xuesen.

Scientific papers
  • 1938: (with Theodore von Karman) "Boundary Layer in Compressible Fluids", Journal of Aeronautical Sciences, April
  • 1938: "Supersonic Flow Over an Inclined Body of Revolution", Journal of Aeronautical Sciences, October
  • 1938: (with Frank Malina) "Flight analysis of a Sounding Rocket with Special Reference to Propulsion by Successive Impulses", Journal of Aeronautical Sciences, December
  • 1939: Two-dimensional subsonic flow of compressible fluids, Journal of Aeronautical Sciences 6(10): 399–407.[53]
  • 1939: (with Theodore von Kármán) The buckling of thin cylindrical shells under axial compression, Journal of Aeronautical Sciences 7(2):43 to 50.
  • 1943: "Symmetrical Joukowsky Airfoils in shear flow", Quarterly of Applied Mathematics, 1: 130–48.
  • 1943: On the Design of the Contraction Cone for a Wind Tunnel, Journal of Aeronautical Sciences, 10(2): 68–70.
  • 1945: (with Theodore von Kármán), "Lifting- line Theory for a Wing in Nonuniform Flow," Quarterly of Applied Mathematics, 3: 1–11.
  • 1946: "Similarity laws of hypersonic flows", MIT Journal of Mathematics and Physics 25: 247–251, MR0018074.
  • 1946: "Superaerodynamics, Mechanics of Rarefied Gases", Journal of the Aeronautical Sciences, 13 (12)
  • 1949: "Rockets and Other Thermal Jets Using Nuclear Energy", in The Science and Engineering of Nuclear Power, Addison-Wesley, Vol. 2.
  • 1950: "Instruction and Research at the Daniel and Florence Guggenheim Jet Propulsion Center", Journal of the American Rocket Society, June 1950
  • 1951: "Optimum Thrust Programming for a Sounding Rocket" (with Robert C. Evans), Journal of the American Rocket Society 21(5)
  • 1952: "The Transfer Functions of Rocket Nozzles", Journal of the American Rocket Society 22(3)
  • 1952: "A Similarity Law for Stressing Rapidly Heated Thin-Walled Cylinders" (with C.M.Cheng), Journal of the American Rocket Society 22(3)
  • 1952: "Automatic Navigation of a Long Range Rocket Vehicle", (with T.D.Adamson and E.L. Knuth) Journal of the American Rocket Society 22(4)
  • 1952: "A Method for Comparing the Performance of Power Plants for Vertical Flight", Journal of the American Rocket Society 22(4)
  • 1952: "Serbo-Stabilization of Combustion in Rocket Motors", Journal of the American Rocket Society 22(5)
  • 1953: "Physical Mechanics, a New Field in Engineering Science", Journal of the American Rocket Society 23(1)
  • 1953: "The Properties of Pure Liquids", Journal of the American Rocket Society 23(1)
  • 1953: "Take-Off from Satellite Orbit", Journal of the American Rocket Society 23(4)
  • 1956: "The Poincaré-Lighthill-Kuo Method", Advances in Applied Mechanics 4: 281–349, MR0079929.
  • 1958: "The equations of gas dynamics", in Fundamentals of Gas Dynamics v. 3, Princeton University Press, MR0097212.

Monographs
  • 1954: Engineering Cybernetics. New York, NY: McGraw Hill. 4 April 2020. OCLC 299574775.
    • 1957: Technische Kybernetik. Translated by Dr. H. Kaltenecker (into German). Stuttgart: Berliner Union.
  • 2007: Hydrodynamics (manuscript facsimile). Jiaotong University Press. 2007. ISBN 978-7-313-04199-9.

See also

References
  1. "Biographies of Aerospace Officials and Policymakers". NASA. Retrieved 2 February 2015.
  2. Brown, Kerry (2009-11-01). "Qian Xuesen obituary". The Guardian. ISSN 0261-3077. Retrieved 2019-11-21.
  3. Osnos, Evan (2009-11-03). "The Two Lives of Qian Xuesen". The New Yorker. ISSN 0028-792X. Retrieved 2019-11-21.
  4. Perrett, Bradley; Asker, James R. (7 January 2008). "Person of the Year: Qian Xuesen". Aviation Week and Space Technology. 168 (1): 57–61. Retrieved 2 February 2015. (subscription required)
  5. "Tsien". Encyclopedia Astronautica. Archived from the original on 2013-10-13. Retrieved 2 February 2015.
  6. "Tsien Hsue-Shen Dies". Caltech. 2 November 2009. Archived from the original on 12 June 2010. Retrieved 2 February 2015.
  7. "US Deporting Rocket Expert". The Milwaukee Journal. 13 September 1955. Retrieved 2 February 2015.
  8. "Qian Xuesen dies at 98; rocket scientist helped establish Jet Propulsion Laboratory". LA Times. 16 September 2016. Retrieved 26 November 2019.
  9. "钱学森：历尽险阻报效祖国 火箭之王淡泊名誉" [Qian Xuesen: King of Rocketry who experienced obstacles in serving the Motherland]. 人民网 (People.com.cn) (in Chinese). 31 October 2009. Retrieved 31 October 2009.
  10. "美国航空周刊2008年度人物:钱学森" [US Aviation Week & Space Technology Person of the Year 2008: Qian Xuesen]. 网易探索(广州) (in Chinese). 31 October 2009. Retrieved 11 November 2009.
  11. "23位两弹一星元勋已有17人离世 媒体解析其功绩". China.com (in Chinese). 30 May 2016.
  12. Theodore von Kármán with Lee Edson (1967) The Wind and Beyond, chapter 38: Dr. Tsien of Red China, pp. 308–15.
  13. "GALCIT History".
  14. Chang, Iris (1995). Thread of the Silkworm. New York: BasicBooks. pp. 109–117. ISBN 978-0-465-08716-7.
  15. Tsien, Hsue-shen (1939). Problems in motion of compressible fluids and reaction propulsion (Ph.D. thesis). California Institute of Technology.
  16. "A US-trained scientist was deported, then became the 'father of Chinese rocketry'". Public Radio International. Retrieved 2019-11-21.
  17. "It's Not Rocket Science, Except When it is: The Strange Case of Qian Xuesen". RADII | Culture, Innovation, and Life in today's China. 2018-08-15. Retrieved 2019-11-21.
  18. WINES, MICHAEL (2009-11-04). "Qian Xuesen, Father of China's Space Program, Dies at 98". New York Times. Retrieved 2019-11-24.
  19. "Trained in the U.S., Scientist Became China's 'Rocket King'". Wall Street Journal. 2009-11-04. Retrieved 2019-11-24.
  20. Perrett, Bradley (6 January 2008). "Qian Xuesen Laid Foundation For Space Rise in China". Aviation Week and Space Technology. 168 (1). Archived from the original on 2011-05-21. Retrieved 2 February 2015.
  21. Chang (1995), p. 139.
  22. "California Institute of Technology scientist, Dr. Hsue-shen Tsien with his family onboard SS President Cleveland, 1955". Los Angeles Times Photographic Archive. Retrieved 2019-03-24.
  23. Chang (1995), p. 141.
  24. Chang (1995), p. 153.
  25. Chang (1995), pp. 139–140.
  26. 凤凰卫视 (18 February 2012). 2012-02-18我的中国心 天籁美音——蒋英 [My Chinese Heart heavenly tone: Jiang Ying] (in Chinese). 凤凰网/凤凰视频. Retrieved 2 February 2015.
  27. Chang (1995), p. 158.
  28. Chang (1995), pp. 149–150.
  29. Ryan & Summerlin 1968, p. 215
  30. Chang (1995), p. 157.
  31. Chang (1995), p. 160.
  32. Ray Monk, Robert Oppenheimer: A Life Inside the Center Random House ISBN 978-0-385-50407-2 (2012)
  33. George Pendle, Strange Angel: The Otherworldly Life of Rocket Scientist John Whiteside Parsons Mariner Books (2006) ISBN 0-297-84853-4 p. 291.
  34. Chang (1995), p. 159.
  35. Ryan & Summerlin 1968, pp. 113, 115
  36. Ryan & Summerlin 1968, p. 141
  37. Ezra Krendel (1955) "Review of Engineering Cybernetics", Journal of the Franklin Institute 259(4): 367
  38. Brownell, Richard. Space exploration. Detroit, Lucent Books, 2012. 82 p.
  39. "Tsien".
  40. "Scientist To Be Deported By U.S." DAytona Beach Morning Journal. AP. 13 September 1955. Retrieved 2 February 2015.
  41. 科技网 -《科技日报》- 钱学森的系统科学成就和贡献 Archived 2012-05-14 at the Wayback Machine
  42. 钱学森：《创建系统学（新世纪版）》，上海交通大学出版社
  43. 钱学森：《论系统工程（新世纪版）》，上海交通大学出版社
  44. Qian Xuesen; et al. (May 1989). 《创建人体科学》 (1st ed.). Chengdu: Sichuan Education Publishing House.
  45. Peter Grier, "The forgotten 'spy' case of a rocket scientist" The Christian Science Monitor Vol. 92 Issue 244, November 2000
  46. "Tsien Revisited". Archived from the original on 2006-12-11. Retrieved 2005-12-15.
  47. Hold Your Fire, Aviation Week and Space Technology, Vol. 168., No. 1, January 7, 2008, p. 8.
  48. Person of the Year, Aviation Week and Space Technology, Vol. 168., No. 12, March 24, 2008, p. 22.
  49. http://www.omegalpha.org/honorary members/html
  50. Noland, Claire (1 November 2009). "Qian Xuesen dies at 98; rocket scientist helped establish Jet Propulsion Laboratory". Los Angeles Times. Retrieved 2015-02-02.
  51. "China's "father of space technology" dies at 98". Xinhua. 2009-10-31. Retrieved 2009-11-01.
  52. 钱学森HD1280高清国语中英双字Hsue-shen Tsien (2012) on YouTube
  53. N. Coburn (1945) "The Kármán–Tsien Pressure-Volume Relation n the Two-dimensional Supersonic Flow of Compressible Fluids", Quarterly of Applied Mathematics 3: 106–16.
Works cited
  • Chang, Iris (1995). Thread of the Silkworm. New York, NY: BasicBooks. ISBN 978-0-465-08716-7.
  • O'Donnell, Franklin (2002). JPL 101. California Institute of Technology. JPL 400–1048.
  • Harvey, Brian (2004). China's Space Program: From Conception to Manned Spaceflight. Springer-Verlag. ISBN 978-1-85233-566-3.
  • Viorst, Milton (September 1967). "The Bitter Tea of Dr. Tsien". Esquire.
  • Ryan, William L.; Summerlin, Sam (1968). The China Cloud: America's Tragic Blunder and China's Rise to Nuclear Power. Boston: Little, Brown and Company. LCCN 68024245. OCLC 443363.
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