Harish-Chandra

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Template:Use dmy dates Template:Infobox scientist Harish-Chandra (né Harishchandra) FRS<ref name="frs"/><ref>Template:Cite book</ref> (11 October 1923 – 16 October 1983) was an Indian-American mathematician and physicist who did fundamental work in representation theory, especially harmonic analysis on semisimple Lie groups.<ref name=":0">Template:MathGenealogy</ref><ref>Template:MacTutor Biography</ref><ref>Template:Cite journal</ref>

Early lifeEdit

Harish-Chandra was born in Kanpur.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> He was educated at B.N.S.D. College, Kanpur and at the University of Allahabad.<ref name="www-history.mcs.st-andrews.ac.uk">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> After receiving his master's degree in physics in 1940, he moved to the Indian Institute of Science, Bangalore for further studies under Homi J. Bhabha.Template:Citation needed

In 1945, he moved to University of Cambridge, and worked as a research student under Paul Dirac.<ref name="www-history.mcs.st-andrews.ac.uk"/> While at Cambridge, he attended lectures by Wolfgang Pauli, and during one of them, Harish-Chandra pointed out a mistake in Pauli's work. The two became lifelong friends. During this time he became increasingly interested in mathematics. He obtained his PhD, Infinite Irreducible Representations of the Lorentz Group, at Cambridge in 1947 under Dirac.<ref name=":0" />

Honors and awardsEdit

He was a member of the National Academy of Sciences and a Fellow of the Royal Society.<ref name="frs"/> He was the recipient of the Cole Prize of the American Mathematical Society, in 1954. The Indian National Science Academy honoured him with the Srinivasa Ramanujan Medal in 1974. In 1981, he received an honorary degree from Yale University.Template:Citation needed

The mathematics department of V.S.S.D. College, Kanpur celebrates his birthday every year in different forms, which includes lectures from students and professors from various colleges, institutes and students' visit to Harish-Chandra Research Institute.Template:Citation needed

The Indian Government named the Harish-Chandra Research Institute, an institute dedicated to Theoretical Physics and Mathematics, after him.

Robert Langlands wrote in a biographical article of Harish-Chandra:

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He was also a recipient of the Padma Bhushan in 1977.<ref name="Padma Awards">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Personal lifeEdit

In 1952, Harish-Chandra married Lalitha "Lily" Kale (1934–2019). Kale, whose father was an Indian food scientist and whose mother was a Polish Jew, was born in Warsaw but grew up in Bangalore after her family fled Poland in 1939 or 1940. They had two daughters, Premala Chandra and Devika Chandra; Premala also became a physicist.<ref>Template:Cite news</ref><ref>Template:Cite magazine</ref>

DeathEdit

Starting in 1969, Harish-Chandra began to experience heart attacks. A second and third heart attack occurred in 1970 and 1982, respectively. From then, his physical capabilities began to decline. A fourth heart attack occurred in 1983, leaving him mostly bedridden and in isolation. On the day after a conference organized for him and mathematician Armand Borel took place, Harish-Chandra died from his final heart attack.<ref>A Biographical Memoir</ref>

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Template:PadmaBhushanAwardRecipients 1970–79 Template:Authority control Template:India-physicist-stub