K. G. Ramanathan

K. G. Ramanathan
Born	November 13, 1920
Died	May 10, 1992
Citizenship	Indian
Alma mater	Princeton University
Occupation	Mathematician
Spouse	Jayalakshmi Ramanathan
Awards	Padma Bhushan
Scientific career
Fields	Number theory
Institutions	TIFR
Doctoral advisor	Emil Artin

Kollagunta Gopalaiyer Ramanathan (November 13, 1920 - May 10, 1992) (KGR) was a front rank Indian mathematician of international reputation with distinguished and well-recognized achievements in number theory. He had contributed in no small measure to the emergence of a new generation of high-calibre mathematicians as well as to the general development of mathematical research and teaching in India.

Early life

K. G. Ramanathan was born in Hyderabad in South India. He completed his B.A. and M.A. in mathematics at Osmania University and the University of Madras respectively before going to Princeton to earn his Ph.D; his advisor was Emil Artin. At Princeton, K. G. Ramanathan also worked with Hermann Weyl and Carl Siegel. Thereafter he returned to India to team up with K. Chandrasekharan at the Tata Institute of Fundamental Research (TIFR) at Colaba in 1951.

K. G. Ramanthan was married to Jayalakshmi Ramanathan.

Career

At TIFR, he built up the number theory group of young mathematicians from India. For several years, he took interest to study Ramanujan's unpublised and published work. He was a Editorial board member of Acta Arithmetica for over 30 years.

His Erdős number is 2.

Awards

K. G. Ramanathan was given numerous achievements during his more than 30 years service at TIFR.

• Padma Bhushan
• Shanti Swarup Bhatnagar Award
• Fellow of Indian Academy of Sciences
• Fellow of Indian National Science Academy
• Honorary fellow of TIFR.

See also his Ph.D students

• C. P. Ramanujam

External links

• K. G. Ramanathan at the Mathematics Genealogy Project

• Obituary, reproduced from Acta Arithmetica, Author: S. Raghavan

• K. G. R's Photo This is reproduced from Acta Arithmetica 64 (1993) 1-6

• K. G. Ramanathan's Biography