history of CR Rao mathematician in 50 to 100 words words
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Answer:
Sorry this answer is more than 100 words
Explanation:
C. R. Rao was born in 1920 in Huvanna Hadagali, now in Karnataka State, in the southern part of India. He was the eighth child in a family of six brothers and four sisters and was named Radhakrishna following the tradition of naming the eighth child after God Krishna. His father was a police inspector and the family moved frequently; however, he benefited a lot from his mother's discipline and his father's encouraging him to solve mathematical problems. About the turning point of his life we cite A. K. Bera (University of Illinois, Urbana-Champaign): ET Interview with C. R. Rao (in Econometric Theory 19, pages 329-398, 2003).
"It was June 1940. The Second World War already raging in full swing in its devastation. A young man not yet 20 set out on a 500-mile train journey to Calcutta, the second largest city of the British Empire, after obtaining a first-class degree in mathematics and with a glimmer of hope of finding a job in the military. The young man was not so lucky; he was deemed too young for the job. However, while in Calcutta, he visited the Indian Statistical Institute (ISI) founded in 1931 by Prof. P. C. Mahalanobis, a Cambridge-trained physicist. As a last resort he applied for a one-year training program in statistics there. Very promptly he received a positive reply from Prof. Mahalanobis."
In this way, the young man stayed for 40 years in Calcutta (Kolkata). After getting his M. A. degree in statistics from Calcutta University, he worked there as a research scholar, superintending statistician, professor and head of Research and Training School, later (after the death of Mahalanobis) director of the ISI, Jawaharlal Nehru Professor and National Professor, before he took mandatory retirement at the age of 60.
In 1946 he was invited to work in a project at the Museum of Anthropology and Archeology at Cambridge University, UK, which required the methodology developed by P. C. Mahalanobis. Based on this work, he earned his Ph.D. in 1948 from Cambridge University under the supervision of Sir R. A. Fisher, founder of modern statistics. (In fact, he was the only Ph.D. student of this strange man.) A few years later, in 1965, the Cambridge University awarded him the prestigious higher doctorate Sc.D. degree based on a peer review of his research contributions to statistics.
Between 1953-1979 he spent some years in the United States (University of Illinois, John Hopkins University, Indiana University, Ohio State University, and Stanford University) as a visiting professor. After his retirement from the ISI, he moved to the USA and worked for another 25 years as a university professor first at the University of Pittsburgh, then at the Pennsylvania State University, where he is now an Eberly Professor of Statistics. He retired from teaching at the age of 80, but he is still active as the Director of the Center for Multivariate Analysis at Pennsylvania State University (where he spends the April-October period) and the founder of the C. R. Rao Advanced Institute of Mathematics, Statistics and Computer Science (CRRAO AIMSCS), University of Hyderabad Campus (where he spends the November-March period).
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