Kollagunta Gopalaiyer Ramanathan
Encyclopedia
Kollagunta Gopalaiyer Ramanathan (November 13, 1920 - May 10, 1992) was an India
n mathematician
known for his work in number theory
. His contributions are also to the general development of mathematical research and teaching in India.
and the University of Madras
respectively before going to Princeton
to earn his Ph.D; his advisor was Emil Artin
. At Princeton, 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.
Ramanathan was married to Jayalakshmi Ramanathan. He had two sons Ananth, Mohan and four grandchildren Aparna, Kavitha, Anita and Nikil.
for over 30 years. He retired from TIFR in 1985.
His wrote a paper with Mathukumalli V. Subbarao
giving him an Erdős number of 2.
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
n mathematician
Mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....
known for his work in number theory
Number theory
Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers as well...
. His contributions are also to the general development of mathematical research and teaching in India.
K. G. Ramanathan's early life and his family
K. G. Ramanathan was born in Hyderabad in South India. He completed his B.A. and M.A. in mathematics at Osmania UniversityOsmania University
Osmania University , , since 1918, is a public university located in Hyderabad, Andhra Pradesh, India. It was established and named after the last Nizam of Hyderabad, Mir Osman Ali Khan. It is one of the oldest modern universities in India. It is the first Indian University to have Urdu and...
and the University of Madras
University of Madras
The University of Madras is a public research university in Chennai, Tamil Nadu, India. It is one of the three oldest universities in India...
respectively before going to Princeton
Princeton University
Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....
to earn his Ph.D; his advisor was Emil Artin
Emil Artin
Emil Artin was an Austrian-American mathematician of Armenian descent.-Parents:Emil Artin was born in Vienna to parents Emma Maria, née Laura , a soubrette on the operetta stages of Austria and Germany, and Emil Hadochadus Maria Artin, Austrian-born of Armenian descent...
. At Princeton, Ramanathan also worked with Hermann Weyl
Hermann Weyl
Hermann Klaus Hugo Weyl was a German mathematician and theoretical physicist. Although much of his working life was spent in Zürich, Switzerland and then Princeton, he is associated with the University of Göttingen tradition of mathematics, represented by David Hilbert and Hermann Minkowski.His...
and Carl Siegel. Thereafter he returned to India to team up with K. Chandrasekharan at the Tata Institute of Fundamental Research
Tata Institute of Fundamental Research
The Tata Institute of Fundamental Research is a research institution in India dedicated to basic research in mathematics and the sciences. It is a Deemed University and works under the umbrella of the Department of Atomic Energy of the Government of India. It is located at Navy Nagar, Colaba, Mumbai...
(TIFR) at Colaba
Colaba
Colaba is a part of the city of Mumbai, India, and also a Lok Sabha constituency. During Portuguese rule in the 16th century, the island was known as Candil...
in 1951.
Ramanathan was married to Jayalakshmi Ramanathan. He had two sons Ananth, Mohan and four grandchildren Aparna, Kavitha, Anita and Nikil.
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 unpublished and published work. He was a Editorial board member of Acta ArithmeticaActa Arithmetica
Acta Arithmetica is a scientific journal of mathematics publishing papers on number theory. It was established in 1935 by Salomon Lubelski and Arnold Walfisz. The journal is published by the Institute of Mathematics of the Polish Academy of Sciences....
for over 30 years. He retired from TIFR in 1985.
His wrote a paper with Mathukumalli V. Subbarao
Mathukumalli V. Subbarao
Mathukumalli Venkata Subbarao was an Indian mathematician, specialising in number theory. He was a long-time resident of Edmonton, Canada....
giving him an Erdős number of 2.
Awards
Ramanathan was given numerous achievements during his more than 30 years service at TIFR.- Padma BhushanPadma BhushanThe Padma Bhushan is the third highest civilian award in the Republic of India, after the Bharat Ratna and the Padma Vibhushan, but comes before the Padma Shri. It is awarded by the Government of India.-History:...
, 1983 - Shanti Swarup Bhatnagar AwardShanti Swarup Bhatnagar AwardThe Shanti Swarup Bhatnagar Prize for Science and Technology is awarded annually by the Council of Scientific and Industrial Research for notable and outstanding research, applied or fundamental, in biology, chemistry, environmental science, engineering, mathematics, medicine and Physics...
, 1965 - Fellow of Indian Academy of SciencesIndian Academy of SciencesThe Indian Academy of Sciences, Bangalore was founded by Sir C. V. Raman, and was registered as a Society on 24 April 1934. Inaugurated on 31 July 1934, it began with 65 founding fellows. The first general meeting of Fellows, held on the same day, elected Professor Raman as President, and adopted...
- Fellow of Indian National Science AcademyIndian National Science AcademyThe Indian National Science Academy , New Delhi is the apex body of Indian scientists representing all branches of science & technology.-History:...
- Honorary fellow of TIFR.
Selected publications
- On Ramanujan’s continued fraction, KG Ramanathan - Acta Arith, 1984
- Some applications of Kronecker’s limit formula, KG Ramanathan - J. Indian Math. Soc, 1987
External links
- http://www.numbertheory.org/obituaries/AA/ramanathan/page1.htmlObituary, reproduced from Acta Arithmetica, Author: S. RaghavanSrinivasacharya RaghavanProf. Srinivasacharya Raghavan is an eminent Indian mathematician. He was born on 11 April 1934. He works in number theory.He was awarded the Shanti Swarup Bhatnagar Prize for Science and Technology in Mathematical Science in 1979...
] - K. G. R's Photo This is reproduced from Acta Arithmetica 64 (1993) 1-6
- K. G. Ramanathan's Biography