C R Rao
Famous Indian Scientists
C R Rao
Calyampudi Radhakrishna Rao was born to CD Naidu and A
Laxmikantamma on 10 September 1920 in Huvvina Hadagalli in present day
Karnataka He was the eighth in a family of 10 children After his fathers
retirement, the family settled down in Vishakapatnam in Andhra Pradesh From
his earliest years, Rao had an interest in mathematics After completing high
school he joined the Mrs AVN College at Vishakapatnam for the Intermediate
course He received his MA in Mathematics with first rank in 1940 Rao
decided to pursue a research career in mathematics, but was denied a
scholarship on the grounds of late submission of the application
He then went to Kolkata for an interview for a job He did not get the
job, but by chance he visited the Indian Statistical Institute, then located in a
couple of rooms in the Physics Department of the Presidency College, Kolkata
He applied for a oneyear training course at the Institute and was admitted to
the Training Section of the Institute from 1 January 1941 In July 1941 he
joined the MA Statistics program of the Calcutta University By the time he
passed the MA exam in 1943, winning the gold medal of the University, he
had already published some research papers! In 1943 he joined ISI as a
technical apprentice, doing research, teaching in the Training Section of the
Institute and at Calcutta University and assisting Professor Mahalanobis in
editing Sankhya the Indian Journal of Statistics
In 1946 he was deputed to the Cambridge University on a project
While working full time on this, he also worked in the genetic laboratory of
RA Fisher, the father of modern statistics and completed his PhD under
Fisher By this time Rao had already completed some of the work which carries
his name: CramerRao inequality, RaoBlackwell theorem, Raos score test
and Raos orthogonal arrays He returned to ISI in 1948 and in 1949 was
made a Professor at the very young age of 29 He headed and developed the
Research and Training Section of the ISI, and went on to become Director of
the ISI He became the associate editor of the Sankhya in 1964 and became
the editor in 1972 He left ISI in 1978 and joined the University of Pittsburgh
In 1988 he moved to the Pennsylvannia State University holding the Eberly
Family Chair in Statistics and the Directorship of the Centre for Multivariate
Analysis till 2001
Dr Rao is a Fellow of the Royal Society of London, and a Member of
the National Academy of Sciences, USA He was awarded the Padma
Vibhushan in 2001 The CR Rao Award for Statistics was instituted in his
honor, to be given once in two years In 2002 he was awarded the National
Medal of Science of the USA The Advanced Institute of Mathematics,
Statistics and Computer Science in the Osmania University Campus has been
named after him