C.R. Rao

Wikipedia has the following,
Calyampudi Radhakrishna Rao (Kannada: ಕಲ್ಯಾಂಪುದಿ ರಾಧಾಕೃಷ್ಣ ರಾಯ) FRS (born September 10, 1920) is an Indian born statistician and currently Professor emeritus at Penn State University. He was born in Hadagali, in the state of Karnataka, India.

He received an M.S. degree in Mathematics from Andhra University and an M.S. degree in Statistics from Calcutta University in 1943.
Rao worked at the Indian Statistical Institute and the Anthropological Museum in Cambridge before acquiring a Ph.D. degree at King's College in Cambridge University under R.A. Fisher in 1948, to which he added a Sc.D. degree, also from Cambridge, in 1965.
Among his best-known discoveries are the Cramér-Rao bound and the Rao-Blackwell theorem both related to the quality of estimators. Other areas he worked in include Multivariate analysis, estimation and Differential geometry.
Rao is a Samuel S. Wilks and Mahalanobis medalist; a member of eight National Academies in India, the United Kingdom, the United States, and Italy; he has received dozens of medals, citations, awards, and other honors for his contributions to statistics and science. Rao was awarded the United States National Medal of Science, that nation's highest award for lifetime achievement in fields of scientific research, in June 2002.

Also see The ET Interview with Professor C.R. Rao