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Subrahmanyan Chandrasekhar

posted Jul 20, 2013, 12:46 AM by The Scientific Indian

Subrahmanyan Chandrasekhar, FRS (Listeni/ˌʌndrəˈʃkɑr/; October 19, 1910 – August 21, 1995),[1] was an Indian-Americanastrophysicist who, with William A. Fowler, won the 1983 Nobel Prize for Physics for key discoveries that led to the currently accepted theory on the later evolutionary stages of massive stars.[2][3] The Chandrasekhar limit is named after him. Chandrasekhar was the nephew of Sir Chandrasekhara Venkata Raman, who won the Nobel Prize for Physics in 1930.

Chandrasekhar's most notable work was the astrophysical Chandrasekhar limit. The limit was first calculated by Chandrasekhar in 1930 during his maiden voyage from India to Cambridge, England for his graduate studies. In 1999, NASA named the third of its four "Great Observatories" after Chandrasekhar. The Chandra X-ray Observatory was launched and deployed by Space Shuttle Columbia on July 23, 1999. The Chandrasekhar number, an important dimensionless number of magnetohydrodynamics, is named after him. The asteroid 1958 Chandra is also named after Chandrasekhar. American astronomer Carl Sagan, who studied Mathematics under Chandrasekhar, at the University of Chicago, praised him in the book The Demon-Haunted World: "I discovered what true mathematical elegance is from Subrahmanyan Chandrasekhar." <More>

References: Wikipedia