David Frankfurter, University of New Hampshire (October 23, 2007)

Roger Bagnall, Columbia University (April 24, 2006)

Martin Goodman, Oxford University (March 11, 2005)

Andrew Stewart, University of California, Berkeley (November 11, 2004)

Brent D. Shaw, University of Pennsylvania (February 19, 2004)

Ian Morris, Stanford University (November 19, 2002)

Peter Garnsey, Cambridge University (April 21-26, 2002)

Walter Burkert, University of Zurich (April 23, 2001)

Diana E. E. Kleiner, Yale University (March 9, 2000)

T. James Luce, Princeton University (March 9-10, 1999)

Fergus Millar, Oxford University (March 23-26, 1998)

John Matthews, Yale University (April 8, 1997)

Sir John Boardman, Oxford University (February 15, 1996)

Anthony Grafton, Princeton University (February 15, 1995)

A. J. Graham, University of Pennsylvania (February 17, 1994)

W. R. Connor, Princeton University (April 23, 1992)

Peter Brown, Princeton University (May 9, 1991)