Warren Ewens

Warren John Ewens FRS, FAA (born 23 January 1937 in Canberra) is an Australian-born mathematician who has been Professor of Biology at the University of Pennsylvania since 1997. (He also held that position 1972–1977). He concentrates his research on the mathematical, statistical and theoretical aspects of population genetics. Ewens has worked in mathematical population genetics, computational biology, and evolutionary population genetics. He introduced Ewens's sampling formula.

Ewens received a B.A. (1958) and M.A. (1960) in Mathematical Statistics from the University of Melbourne, where he was a resident student at Trinity College, and a Ph.D. from the Australian National University (1962). He first joined the department of biology at the University of Pennsylvania in 1972, and in 2006 was named the Christopher H. Browne Distinguished Professor of Biology. Positions held include:

Prof. Ewens is a Fellow of the Royal Society and the Australian Academy of Science. He is also the recipient of the Australian Statistical Society's E.J. Pitman Medal (1996), and Oxford University's Weldon Memorial Prize. His teaching and mentoring at the University of Pennsylvania have also been recognized by awards.

Prof. Ewens also participates in the Genomics and Computational Biology (GCB) Ph.D. program of the University of Pennsylvania School of Medicine.

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