2006: 19th Symposium - Amherst College

2005: 18th Symposium - Colorado College

2004: 17th Symposium - Washington and Lee University

2003: 16th Symposium - Beloit College

2002: 15th Symposium - Amherst College

2001: 14th Symposium - NASA Goddard Space Flight Center

2000: 13th Symposium - Whitman College

1999: 12th Symposium - Carleton College

1998: 11th Symposium - Amherst College

1997: 10th Symposium - College of Wooster

1996: 9th Symposium - Williams College

1995: 8th Symposium - Pomona College

1994: 7th Symposium - Trinity University

1993: 6th Symposium - Whitman College

1992: 5th Symposium - Washington and Lee University

1991: 4th Symposium - Franklin & Marshall College

1990: 3rd Symposium - Smith College

1989: 2nd Symposium - Colorado College

1988: 1st Symposium - Beloit College