Professorial history • 1965 Bachelor of Engineering Physics,
Cornell University • 1970 Ph.D. in biology,
Princeton University • 1969–1972 Assistant professor,
University of Chicago • 1972–1979 Associate professor of biological sciences,
Purdue University • 1979–1986 Professor of biological sciences, Purdue University • 1986–2002 Professor of ecology and evolutionary biology,
University of Arizona • 1989–2002 Regents Professor, University of Arizona
Awards and honors ==Publications==