Arthur P.
Dempster, an American mathematician and professor emeritus in the Harvard University department of statistics, died on January 30, 2026, at the age of 96. Born on October 8, 1929, he was one of four faculty members composing the department when it was founded in 1957.
Dempster received a B.A. in mathematics and physics from the University of Toronto in 1952, an M.A. in mathematics from the university in 1953, and a Ph.D. in mathematical statistics from Princeton University in 1956. His doctoral thesis, “The two-sample multivariate problem in the degenerate case,” was supervised by John Tukey.
Arthur Pentland Dempster (October 8, 1929 – January 30, 2026) was an American mathematician who was professor emeritus in the Harvard University department of statistics. He was one of four faculty members composing the department when it was founded in 1957.