Calyampudi Radhakrishna Rao, commonly known as C. R. Rao, was born on September 10, 1920, in Huvvina Hadagalli, a small village in the present-day state of Karnataka, India. He was the oldest of eight siblings and grew up in a scholarly family. His father, C. Lakshmana Rao, was a Sanskrit scholar, and his mother, A. Sitamma, was a homemaker.
Education and Early Career: Rao completed his Bachelor of Science degree in mathematics from Andhra University in 1940 and then earned his Master’s degree in statistics from Calcutta University in 1943. He received a scholarship from Cambridge University and moved to the UK to pursue his PhD. In 1948, he earned his doctorate in mathematics from the University of Cambridge under the guidance of R.A. Fisher.
After completing his PhD, Rao returned to India and joined the Indian Statistical Institute in Calcutta as a professor. In 1960, he moved to the United States and joined the Research Triangle Institute in North Carolina. He then joined the University of Pittsburgh in Calyampudi Radhakrishna Rao, FRS (born 10 September 1920), commonly known as C. R. Rao, is an Indian-American mathematician and statistician. He is currently professor emeritus at Pennsylvania State University and Research Professor at the University at Buffalo, where he held a joint appointment in the Department of Statistics and the Department of Mathematics.
Contributions and Achievements: C. R. Rao is widely recognized for his contributions to the fields of statistics and mathematics. He has published over 500 research papers and 14 books, many of which have become classics in their respective fields.
Rao is best known for his work in multivariate analysis, particularly in the areas of principal component analysis and factor analysis. He has also made significant contributions to experimental design, estimation theory, and nonparametric statistics. His work has been influential in a variety of fields, including biology, economics, engineering, genetics, medicine, and psychology.
In addition to his research contributions, Rao has also played an important role in the development of statistical education and the promotion of statistics as a discipline. He has served as the president of several professional organizations, including the International Statistical Institute and the Institute of Mathematical Statistics. He has also received numerous awards and honors for his contributions to the field of statistics, including the National Medal of Science in 2002.
Personal Life: C. R. Rao was married to Bhargavi Rao, and the couple had two children. He was a devout Hindu and had a deep interest in Indian philosophy and spirituality. In his free time, he enjoyed listening to Indian classical music and reading literature.
Calyampudi Radhakrishna Rao, FRS (born 10 September 1920), commonly known as C. R. Rao, is an Indian-American mathematician and statistician. He is currently professor emeritus at Pennsylvania State University and Research Professor at the University at Buffalo
