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Franklin Chang-Díaz
Franklin Ramón Chang-Díaz (born April 5, 1950, San José, Costa Rica)[1] is an American mechanical engineer, physicist, and former NASA astronaut. He is the sole founder and CEO of Ad Astra Rocket Company[2] as well as a member of the Cummins' board of directors.[3] He became an American citizen in 1977.[4] He is a veteran of seven Space Shuttle missions, tying the record, as of 2021 for the most spaceflights (a record set two months earlier by Jerry L. Ross). He was the third Latin American, but the first Latin American immigrant NASA Astronaut selected to go into space.[5] Chang-Díaz is a member of the NASA Astronaut Hall of Fame. Family and educationFranklin Ramón Chang-Díaz was born in San José, Costa Rica on April 5, 1950, to Ramón Ángel Chang Morales, an oil worker whose own father fled from China during the Boxer Rebellion,[6] and María Eugenia Díaz. One of six children, he has a younger sister, Sonia Rosa (born December 1952) and his mother, brothers and sisters still reside in Costa Rica.[7] His two eldest daughters with his ex-wife Candice Chang, include Sonia Rosa, who is a member of the Massachusetts Senate.[8][9] He married Dr. Peggy Marguerite Doncaster (née Stafford, of Alexandria, Louisiana), in the United States, on December 17, 1984. They have two daughters,[10] both born in Houston, Texas.[11][12][13][7] He graduated from Colegio de La Salle in San Jose with an "A" grade in November 1967, then moved to the United States to finish his high school education at Hartford Public High School in Connecticut, in 1969.[7] He went on to attend the University of Connecticut, where he earned a B.S. degree in mechanical engineering and joined the federal TRIO Student Support Services program in 1973.[14] He then attended the Massachusetts Institute of Technology (MIT), where he earned a Ph.D. degree in applied plasma physics in 1977.[14] For his graduate research at Massachusetts Institute of Technology (MIT), Chang-Díaz worked in the field of fusion technology and plasma-based rocket propulsion.[4] NASA careerChang-Díaz was selected as an astronaut candidate by NASA in 1980, and first flew aboard Space Shuttle mission STS-61-C in 1986. Subsequent missions included STS-34 (1989), STS-46 (1992), STS-60 (1994), STS-75 (1996), STS-91 (1998), and STS-111 (2002). During STS-111, he performed three extravehicular activities (EVAs) with Philippe Perrin as part of the construction of the International Space Station (ISS). He was also director of the Advanced Space Propulsion Laboratory at the Johnson Space Center from 1993 to 2005. Chang-Díaz retired from NASA in 2005.[4] Post-NASA career After leaving NASA, Chang-Díaz set up the Ad Astra Rocket Company, which became dedicated to the development of advanced plasma rocket propulsion technology. Years of research and development have produced the Variable Specific Impulse Magnetoplasma Rocket (VASIMR), an electrical propulsion device for use in space.[15] With a flexible mode of operation, the rocket can achieve very high exhaust speeds, and with a sufficiently powerful electrical supply even has the theoretical capability to take a crewed rocket to Mars in 39 days.[16] Chang-Díaz also is active in environmental protection and raising awareness about climate change, notably in his role in Odyssey 2050 The Movie in which he encourages young people to get motivated about environmental issues.[17] In addition, he is an adjunct professor in physics and astronomy at Rice University.[18] He has been on the board of directors of Cummins since December 8, 2009.[19] He is also the father of Democratic candidate for the 2022 Massachusetts gubernatorial election Sonia Chang-Díaz. Awards and honorsIn 1986, Franklin Chang-Díaz was one of twelve recipients of the Medal of Liberty. He was inducted into the NASA Astronaut Hall of Fame on May 5, 2012[20] in a ceremony that took place in the Kennedy Space Center Visitor Complex. Also, due to his career and scientific success, he has been decorated multiple times in Costa Rica and named Honor Citizen by the national legislature.[7] The Costa Rican National High Technology Center (CeNAT), among other institutions, is named after him.[21] In 2014, Chang-Díaz was awarded the "Buzz Aldrin Quadrennial Space Award" by The Explorers Club. Buzz Aldrin, whom Chang-Díaz called a childhood hero, presented the award.[22] See alsoReferences
External links Wikimedia Commons has media related to Franklin Chang-Diaz.
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