EXPERIENCE School Date

Professor of Mathematics Dartmouth College 1968-present (emeritus since 1998)

Associate Professor Dartmouth College 1963-1968

Research Associate Rockefeller University 1962-1963

Assistant Professor Stanford University 1959-1962

Instructor Stanford University 1957-1959

Research Fellow California Institute of Technology 1956-1957

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VISITING Location Date

DUXX Graduate School of Business Leadership Nuevo Leon, Mexico Fall terms 1997-1999

Universidad de El Salvador El Salvador Winter 1995

Universidad Nacional de Ingenieria Nicaragua Winter 1993

American Friends Service Committee; Consultant Peace Education Division, Philadelphia 1991,1985, 1978-1980

Universidad Nacional Autónomo de Nicaragua Nicaragua 1990

Århus Universitet Denmark 1972-1973

Steklov Mathematics Institute Moscow, Soviet Union 1970

University of Cambridge United Kingdom 1966-1967

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DEGREES School Date

Ph.D. in Mathematics California Institute of Technology June,1957

B.S. in Mathematics and Physics Haverford College June,1953

Elected a Fellow Institute of Mathematical Statistics 1970

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