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C R Rao

C. R. Rao
Calyampudi Radhakrishna Rao at ISI Chennai.JPG
Prof. Rao at Indian Statistical Institute, Chennai in April 2012
Born (1920-09-10) 10 September 1920 (age 96)
Hadagali, Kingdom of Mysore,
British India
Residence India, United Kingdom, United States
Citizenship United States
Fields Mathematics and statistics
Institutions Indian Statistical Institute
Cambridge University
Penn State University
University at Buffalo
Alma mater Andhra University
University of Calcutta
King's College, Cambridge
Thesis Statistical Problems of Biological Classifications (1948)
Doctoral advisor Ronald Fisher
Doctoral students
Known for Cramér–Rao bound
Rao–Blackwell theorem
Orthogonal arrays
Score test
Notable awards Padma Vibhushan
National Medal of Science (2001)
S. S. Bhatnagar Prize
Guy Medal (Silver 1965, Gold 2011)

Calyampudi Radhakrishna Rao, FRS known as C R Rao (born 10 September 1920) is an Indian-born, naturalized American, mathematician and statistician. He is currently professor emeritus at Penn State University and Research Professor at the University at Buffalo. Rao has been honoured by numerous colloquia, honorary degrees, and festschrifts and was awarded the US National Medal of Science in 2002. The American Statistical Association has described him as "a living legend whose work has influenced not just statistics, but has had far reaching implications for fields as varied as economics, genetics, anthropology, geology, national planning, demography, biometry, and medicine."The Times of India listed Rao as one of the top 10 Indian scientists of all time. Rao is also a Senior Policy and Statistics advisor for the Indian Heart Association non-profit focused on raising South Asian cardiovascular disease awareness.

C. R. Rao was born in Hadagali, Bellary, Karnataka, India. He received an M.Sc. in mathematics from Andhra University and an M.A. in statistics from Calcutta University in 1943. He was among the first few people in the world to hold a master's degree in Statistics.


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