Jayanta Kumar Ghosh (Bengali: জয়ন্ত কুমার ঘোষ, 23 May 1937 – 30 September 2017) was an Indian

statistician A statistician is a person who works with Theory, theoretical or applied statistics. The profession exists in both the private sector, private and public sectors. It is common to combine statistical knowledge with expertise in other subjects, a ...

, an

emeritus professor ''Emeritus/Emerita'' () is an honorary title granted to someone who retires from a position of distinction, most commonly an academic faculty position, but is allowed to continue using the previous title, as in "professor emeritus". In some c ...

Indian Statistical Institute The Indian Statistical Institute (ISI) is a public research university headquartered in Kolkata, India with centers in New Delhi, Bengaluru, Chennai and Tezpur. It was declared an Institute of National Importance by the Government of India und ...

and a professor of statistics at

Purdue University Purdue University is a Public university#United States, public Land-grant university, land-grant research university in West Lafayette, Indiana, United States, and the flagship campus of the Purdue University system. The university was founded ...

Education

He obtained a B.S. from Presidency College, then affiliated with the

University of Calcutta The University of Calcutta, informally known as Calcutta University (), is a Public university, public State university (India), state university located in Kolkata, Calcutta (Kolkata), West Bengal, India. It has 151 affiliated undergraduate c ...

, and subsequently a M.A. and a Ph.D. from the

under the supervision of

H. K. Nandi H is the eighth letter of the Latin alphabet. H may also refer to: Musical symbols * H number, Harry Halbreich reference mechanism for music by Honegger and Martinů * H, B (musical note) * H, B major People * H. (noble) (died after 1279) ...

. He started his research career in the early 1960s, studying

sequential analysis In statistics, sequential analysis or sequential hypothesis testing is statistical analysis where the sample size is not fixed in advance. Instead data is evaluated as it is collected, and further sampling is stopped in accordance with a pre-defi ...

as a graduate student in the department of statistics at the

Research

Among his best-known discoveries are the Bahadur–Ghosh–Kiefer representation (with R. R. Bahadur and Jack Kiefer) and the Ghosh–Pratt identity along with

John W. Pratt John Winsor Pratt (born 1931) is Emeritus William Ziegler professor business administration at Harvard University. His former education was conducted at Princeton University and Stanford University, where he specialized in mathematics and statist ...

. His research contributions fall within the fields of: *

Bayesian inference Bayesian inference ( or ) is a method of statistical inference in which Bayes' theorem is used to calculate a probability of a hypothesis, given prior evidence, and update it as more information becomes available. Fundamentally, Bayesian infer ...

Asymptotics In mathematical analysis, asymptotic analysis, also known as asymptotics, is a method of describing limiting behavior. As an illustration, suppose that we are interested in the properties of a function as becomes very large. If , then as bec ...

Modeling A model is an informative representation of an object, person, or system. The term originally denoted the Plan_(drawing), plans of a building in late 16th-century English, and derived via French language, French and Italian language, Italian ult ...

and

model selection Model selection is the task of selecting a model from among various candidates on the basis of performance criterion to choose the best one. In the context of machine learning and more generally statistical analysis, this may be the selection of ...

* High dimensional data analysis *

Nonparametric regression Nonparametric regression is a form of regression analysis where the predictor does not take a predetermined form but is completely constructed using information derived from the data. That is, no parametric equation is assumed for the relationshi ...

and

density estimation In statistics, probability density estimation or simply density estimation is the construction of an estimate, based on observed data, of an unobservable underlying probability density function. The unobservable density function is thought o ...

Survival analysis Survival analysis is a branch of statistics for analyzing the expected duration of time until one event occurs, such as death in biological organisms and failure in mechanical systems. This topic is called reliability theory, reliability analysis ...

Statistical genetics Statistical genetics is a scientific field concerned with the development and application of statistical methods for drawing inferences from genetic data. The term is most commonly used in the context of human genetics. Research in statistical ge ...

Awards and honors

* Elected member of the International Statistical Institute * Advisory editor, ''Journal of Statistical Planning and Inference'' * Fellow of the

Institute of Mathematical Statistics The Institute of Mathematical Statistics is an international professional and scholarly society devoted to the development, dissemination, and application of statistics and probability. The Institute currently has about 4,000 members in all parts ...

* Fellow of the

Indian National Science Academy The Indian National Science Academy (INSA) is a national academy in New Delhi New Delhi (; ) is the Capital city, capital of India and a part of the Delhi, National Capital Territory of Delhi (NCT). New Delhi is the seat of all three b ...

* Life member and director of the Calcutta Statistical Association * Fellow of the

Indian Academy of Sciences The Indian Academy of Sciences, Bangalore was founded by Indian Physicist and List of Nobel laureates, Nobel Laureate Chandrasekhara Venkata Raman, C. V. Raman, and was registered as a society on 27 April 1934. Inaugurated on 31 July 1934, it ...

* Japanese Society for Promotion of Sciences Fellowship, 1978 * Shanti Swarup Bhatnagar Prize for Science and Technology, 1981 * President, Statistics Section of the Indian Science Congress Association, 1991 * President,

International Statistical Institute The International Statistical Institute (ISI) is a professional association of statisticians. At a meeting of the Jubilee Meeting of the Royal Statistical Society, statisticians met and formed the agreed statues of the International Statistical ...

, 1993 * Mahalanobis Gold Medal of Indian Science Congress Association, 1998 * Invited speaker of the

International Congress of Mathematicians The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union (IMU). The Fields Medals, the IMU Abacus Medal (known before ...

, 1998 * P. V. Sukhatme Prize for Statistics, 2000 * Mahalanobis Memorial Lecture, State Science and Technology Congress, W. Bengal, 2003 * D.Sc. (h.c.), B.C. Roy Agricultural University, W. Bengal, India, 2006 * International Indian Statistical Association (IISA) Lifetime Achievement Award, 2010 *

Padma Shree The Padma Shri (IAST: ''padma śrī'', lit. 'Lotus Honour'), also spelled Padma Shree, is the fourth-highest Indian honours system, civilian award of the Republic of India, after the Bharat Ratna, the Padma Vibhushan and the Padma Bhushan. In ...

(2014) by the

Government of India The Government of India (ISO 15919, ISO: Bhārata Sarakāra, legally the Union Government or Union of India or the Central Government) is the national authority of the Republic of India, located in South Asia, consisting of States and union t ...

Bibliography

He has published over 50 research papers. He has also published four books, which are: * ''Invariance in Testing and Estimation'' (Lecture Notes), 1967, published by

Calcutta Kolkata, also known as Calcutta (List of renamed places in India#West Bengal, its official name until 2001), is the capital and largest city of the Indian States and union territories of India, state of West Bengal. It lies on the eastern ba ...

. * ''Higher Order Asymptotics'' (based on CBMS-NSF lecture), published jointly by

and

American Statistical Association The American Statistical Association (ASA) is the main professional organization for statisticians and related professionals in the United States. It was founded in Boston, Massachusetts, on November 27, 1839, and is the second-oldest continuous ...

, 1994. * (with R.V. Ramamoorthi) ''Bayesian Nonparametrics'' (Springer 2003). * (with Mohan Delampady and Tapas Samanta) ''An Introduction to Bayesian Analysis - Theory and Methods'', Springer 2006.

References

External links

Indian Statistical Institute Statistics Department homepageDr. Ghosh's profile at Purdue University

Dr. Ghosh's webpage at the Statistics Department of Purdue UniversityA biography of Dr. Ghosh written by Professor Anirban Dasgupta
{{DEFAULTSORT:Ghosh, Jayanta Kumar 1937 births 2017 deaths Scientists from Kolkata Indian statisticians Purdue University faculty University of Calcutta alumni Indian Statistical Institute alumni Recipients of the Shanti Swarup Bhatnagar Award in Mathematical Science Presidents of the International Statistical Institute Bengali mathematicians Recipients of the Padma Shri in science & engineering 20th-century Indian mathematicians Mathematical statisticians