Calyampudi Radhakrishna Rao

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C. R. Rao
Born	September 10, 1920 (1920-09-10) (age 87) Hadagali, State of Mysore, India
Residence	India , UK , U.S.
Nationality	Indian- American
Fields	Mathematician
Institutions	Indian Statistical Institute Cambridge University Penn State University
Alma mater	Andhra University Calcutta University Cambridge University
Doctoral advisor	Ronald Fisher
Doctoral students	Debabrata Basu S. R. S. Varadhan Ranajit Chakraborty K. R. Parthasarathy Ravindra Khattree
Known for	Cramér-Rao bound Rao-Blackwell theorem
Notable awards	Mahalanobis medal, Padma Vibhushan National Medal of Science

Calyampudi Radhakrishna Rao (born September 10, 1920) is a world-renowned Indian 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. degreein 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 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.

Areas of research contributions of Professor Rao include

• Estimation theory
• Statistical inference and linear models
• Multivariate analysis
• Combinatorial design
• Biometry
• Mathematical genetics
• Generalized matrix inverses
• Functional equations

Awards & Medals:

• Government of India awarded him Padma Vibhushan.
• President George W. Bush, on June 12, 2002, decorated him with the National Medal of Science
• Wilks Medal of the American Statistical Association
• Guy Medal in Silver of the Royal Statistical Society
• Megnadh Saha Medal of the Indian National Science Academy
• S. S. Bhatnagar Award
• JC Bose Gold Medal of Bose Institute, and
• Mahalanobis Centenary Gold Medal of the Indian Science Congress.

In his honor:

• The Pennsylvania State University has established C. R. and Bhargavi Rao Prize in statistics,
• Osmania University has founded C.R. Rao Advanced Institute for Mathematical and Computer Sciences (AIMCS).

[edit] See also

• Cramér-Rao bound

[edit] References

• UMN
• Amstat
• M. H. DeGroot, A Conversation with C.R. Rao, Statistical Science, 2 (1987), 53-67.

[edit] External links

• Prof. Rao's page at Penn State

• ET Interviews: Professor C. R. Rao on the Econometric Theory page.

• Royal Society citation 1967

• Rao was awarded the Samuel S. Wilks Award in 1989

For Rao’s PhD students see

• Mathematics Genealogy Project

For the Cramér-Rao inequality and the Rao-Blackwell theorem see the relevant entries on

• Earliest Known Uses of Some of the Words of Mathematics

Photograph of Rao with Harald Cramér in 1978

• C. R. Rao from the PORTRAITS OF STATISTICIANS

• George Bush awarding Rao the National Medal of Science

v • d • e Recipients of Shanti Swarup Bhatnagar Prize for Science and Technology in Mathematical Science K. Chandrasekharan & C. R. Rao (1959) • K. G. Ramanathan (1965) • A.S. Gupta & C. S. Seshadri (1972) • P.C. Jain & M. S. Narasimhan (1975) • K. R. Parthasarathy & S. K. Trehan (1976) • M. S. Raghunathan (1977) • E. M. V. Krishnamurthy (1978) • S. Raghavan & S. Ramanan (1979) • R. Sridharan (1980) • J. K. Ghosh (1981) • B.L. Prakasa Rao & J. B. Shukla (1982) • I.B.S. Passi & Phoolan Prasad (1983) • S.K. Malik & R. Parthasarathy (1985) • T. Parthasarathy & U. B. Tewari (1986) • Raman Parimala & T. N. Shorey (1987) • M. B. Banerjee & K. B. Sinha (1988) • Gopal Prasad (1989) • R. Balasubramanian & S. G. Dani (1990) • V. B. Mehta & Annamalai Ramanathan (1991) • Maithili Sharan (1992) • Karmeshu & N. M. Singhi (1993) • N. Mohan Kumar (1994) • Rajendra Bhatia (1995) • V. S. Sunder (1996) • Subhashis Nag & T. R. Ramadas (1998) • Rajeeva Laxman Karandikar (1999) • Rahul Mukerjee (2000) • Gadadhar Misra & T. N. Venkataramana (2001) • Dipendra Prasad & S. Thangavelu (2002) • Manindra Agrawal & V. Srinivas (2003) • Arup Bose & Sujatha Ramdorai (2004) • Probal Chaudhuri & K. H. Paranjape (2005) • Vikraman Balaji & Indranil Biswas (2006) • B. V. Rajarama Bhat (2007) All the branches Biological Science | Chemical Science | Engineering Science | Mathematical Science | Medical Science | Physical Science | Earth, Atmosphere, Ocean & Planetary Sciences

Persondata
NAME	Rao, C. R.
ALTERNATIVE NAMES	Rao, Calyampudi Radhakrishna
SHORT DESCRIPTION	Indian- American mathematician
DATE OF BIRTH	September 10, 1920
PLACE OF BIRTH	Hadagali, Karnataka, India
DATE OF DEATH
PLACE OF DEATH