1934
Born in Bryn Mawr, PA to R.Z. and Susan Zimmermann.
1956
Receives a Bachelor of Arts from Williams College.
1958
Receives a Bachelor of Arts from the University of Oxford.
1960
Receives a Master of Arts from Harvard University.
1962
Receives a Fulbright Fellowship to the University of Florence in Italy.
1964
Receives a Master of Arts from the University of Oxford and a Doctor of Philosophy from Harvard University.
1964
Becomes an assistant professor at Reed College in Portland, Oregon; Is promoted to associate professor in 1967.
1967
Is a member of the region 14 Selection Committee of the Woodrow Wilson National Fellowship Foundation in Princeton, NJ, through 1970.
1970
Receives the Villa “I Tatti” Fellowship at Harvard University.
1971
Serves on the Oregon Committee of the National Endowment for the Humanities.
1972
Authors “April in Alaska” after making the first ascent of Mt. Skarland in 1970.
1973
Is appointed chairman of the Department of History and a full professor of history at Reed College.
1975
Receives a fellowship from the American Council of Learned Societies.
1977
Becomes Vice President of Academic Affairs and Dean of the Faculty at Davidson College in Davidson, NC.
1985
Co-edits volume in “Collected Works of Paolo Giovio.” and named to Commissione Nazionale for the edition of the works for Paolo Giovio.
1986
Retires as Dean and named Charles A. Dana Professor of history at Davidson College.
1995
Publishes “Paolo Giovio: The Historian and the Crisis of Sixteenth-Century Italy” via Princeton University Press.
1996
Receives the Helen & Howard R. Marraro Prize from the American Historical Assoc. and the President’s Award from the Amer. Assoc. for Italian Studies.
1999
Becomes Charles A. Dana Professor Emeritus of History at Davidson College.
2012
An Italian translation appears of “Paolo Giovio: The Historian and the Crisis of Sixteenth-Century Italy.”