Raghu Raj Bahadur

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Raghu Raj Bahadur
Raghu Raj Bahadur.jpg
Born (1924-04-30)30 April 1924
New Delhi, India
Died 7 July 1997(1997-07-07) (aged 73)
Nationality Indian
Alma mater Delhi University
University of North Carolina, Chapel Hill
Known for Bahadur efficiency
Anderson–Bahadur algorithm
Bahadur–Ghosh–Kiefer representation
Scientific career
Fields Mathematical statistics
Institutions University of Chicago

Raghu Raj Bahadur (30 April 1924 – 7 July 1997) was an Indian statistician considered by peers to be "one of the architects of the modern theory of mathematical statistics".[1]


Bahadur was born in Delhi, India, and received his BA (1943)[2] and MA (1945)[2] in mathematics from University of Delhi. He received his doctorate from the University of North Carolina under Herbert Robbins in 1950 after which he joined University of Chicago. He worked as a research statistician at the Indian Statistical Institute in Calcutta from 1956 to 1961. He spent the remainder of his academic career in the University of Chicago.[3]


He published numerous papers[4] and is best known for the concepts of "Bahadur efficiency"[5] and the Bahadur–Ghosh–Kiefer representation (with J. K. Ghosh and Jack Kiefer)[6]

He also framed the Anderson–Bahadur algorithm[7] along with Theodore Wilbur Anderson which is used in statistics and engineering for solving binary classification problems when the underlying data have multivariate normal distributions with different covariance matrices.


He held the John Simon Guggenheim Fellowship (1968–69)[8] and was the 1974 Wald Lecturer of the IMS.[2] He was the President of the Institute of Mathematical Statistics during 1974–75[8] and was elected a Fellow of the American Academy of Arts and Sciences in 1986.[9]


  1. ^ "Obituary: Raghu Raj Bahadur, Statistics". The University of Chicago Chronicle. 12 June 1997. Retrieved 8 October 2018.
  2. ^ a b c "Raghu Raj Bahadur". Oxford Reference. doi:10.1093/oi/authority.20110803095440927 (inactive 2018-10-01). Retrieved 17 June 2013.
  3. ^ Marcano, Tony (1997-06-13). "R. R. Bahadur, 73; Created Statistical Concept". The New York Times. Retrieved 17 July 2013.
  4. ^ [1] Bahadur's CV hosted at University of Chicago
  5. ^ [2] A paper about Bahadur efficiency
  6. ^ Lahiri, S. N (1992). "On the Bahadur—Ghosh—Kiefer representation of sample quantiles". Statistics & Probability Letters. 15 (2): 163–168. doi:10.1016/0167-7152(92)90130-w.
  7. ^ Classification into two multivariate normal distributions with different covariance matrices (1962), T W Anderson, R R Bahadur, Annals of Mathematical Statistics
  8. ^ a b "Raghu Raj Bahadur". Indian National Science Academy. Retrieved 17 July 2013.
  9. ^ "Book of Members, 1780–2010: Chapter B" (PDF). American Academy of Arts and Sciences. Retrieved 5 May 2011.

External links

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