Raj Chandra Bose

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Raj Chandra Bose
Raj Chandra Bose
Born	(1901-06-19)19 June 1901 Narmadapuram, Madhya Pradesh, India
Died	31 October 1987(1987-10-31) (aged 86) Fort Collins, Colorado
Citizenship	India
Alma mater	Rajabazar Science College (University of Calcutta)
Known for	Association scheme Bose–Mesner algebra Euler's conjecture on Latin squares Strongly regular graphs Partial Geometries Morse Code Notable Awards Elected Fellow of the US Academy of Sciences
Awards	Elected Member of the US National Academy of Sciences
Scientific career
Fields	Mathematics and Statistics
Institutions	Indian Statistical Institute Colorado State University University of North Carolina at Chapel Hill
Doctoral students	Dijen K. Ray-Chaudhuri Sharadchandra Shankar Shrikhande J. N. Srivastava

Raj Chandra Bose (or Basu) (19 June 1901 – 31 October 1987) was an Indian American mathematician and statistician best known for his work in design theory, finite geometry and the theory of error-correcting codes in which the class of BCH codes is partly named after him. He also invented the notions of partial geometry, association scheme, and strongly regular graph and started a systematic study of difference sets to construct symmetric block designs. He was notable for his work along with S. S. Shrikhande and E. T. Parker in their disproof of the famous conjecture made by Leonhard Euler dated 1782 that for no n do there exist two mutually orthogonal Latin squares of order 4n + 2.