2015. Dr. Ivars Peterson, Pancake Sorting, Prefix Reversals, and DNA Rearrangements

2014. Dr. Robert Jantzen, Spaghetti curves: the hidden math of a polar coordinate integration problem.

2013. Dr. Tommy Wright, Equal Proportions for Congressional Apportionment.

2012. Dr. Katherine Socha, Sea battles, Benjamin Franklin's oil lamp, and jelly bellies.

2011. Dr. Tony Rothman, Princeton University.

2010. Robert Ghrist, Sensor Sensibility: The Mathematics of Sensor Networks.

2009. Peter Sarnak, Diophantine geometry of Apollonian packings.

2008. Helen Grundman, Niven numbers and n-Niven numbers.

2007. Rachel Hall, Asymmetric Rhythms and Tiling Canons

2006. Stephanie Frank Singer, Counting the Vote: How Mathematicians Can Help Stop the Destruction of American Democracy

2005. Pamela Gorkin, A Mathematician with Principles and Problems: Dirichlet.

2004. Chris Rorres, If Archimedes Had A Computer.

2003. Larry Joel Goldstein, The Mathematics of Blood Flow.

2002. John F. Dillon, National Security Agency, Pseudorandom Sequences with Ideal Autocorrelation.

2001. Jerry Kazdan, The University of Pennsylvania, Using Symmetry.

2000. Margaret H. Wright, Bell Labs/Lucent Technologies, The Mathematics of Optimization.

1999. Michael C. Reed, Duke University, Mathematics of the Auditory System.

1998. Judy Kennedy, University of Delaware, Horseshoes and How One Thing Leads to Another.

1997. Jeffrey C. Lagarias, AT\& T Bell Labs, Keller's Conjecture on Cube Tilings.

1996. Jerry P. King, Lehigh University, The Art of Mathematics.

1995. Leon Ehrenpreis, Temple University, Identities: What are they? How do you prove them? Who cares anyway?.

1994. J. Stuart Hunter, Princeton University, Statistics and the Scientific Method

1993. Herbert Wilf, University of Pennsylvania, How Linear Algebra Helps Us To Count Things.

1992. David Zitarelli, Temple University, Joseph Liouville: Modern Mathematician.

1991. Rhonda Hughes, Bryn Mawr College, From Fourier Series to Wavelets: Trends in Harmonic Analysis.

1990. Donald Newman, Temple University, Those Billion Slices of Pi.

1989. Amos Altshuler, Ben-Gurion University (Israel), An Impossible Concert for a Triangle and a Cube.