Essak Seddiq (2020) -- wrote a paper with me on graph pebbling.

Dawn Curtis, Taylor Hines, and Tasha Moyer (2007) -- wrote a paper with me on universal cycles and another on graph pebbling.

David Hayden (2007) -- worked on cryptographic applications to CAPCHA.

Camila Bushell (2006) -- worked on Graham's scan for finding the convex hull of a set of points in the plane.

Shawn Elledge (2004) -- Jack Hawes Scholar; wrote a paper with me on an application of graph pebbling to zero-sum sequences in abelian groups; won 2004 MAA Best Student Paper prize.

Ben Munyan (2004) -- wrote a paper with me on the cover pebbling number of hypercubes.

Betsy Crull, Tammy Cundiff, Paul Feltman, and Laura Pudwell (2003) -- all from Valparaiso University; wrote a paper with Zsuzsanna Szaniszlo, Zsolt Tuza, and myself on the cover pebbling number of graphs.

Kevin Bayne (2002)

Collin Raymond (2001) -- worked with me on graph coloring; won Department award for best undergraduate research; won a Goldwater Scholarship in 2002; USA Today Top 20 Undergraduate Student in 2003; went to graduate school at the London School of Economics on a Marshall Scholarship.

Gavin Hensing (1999)

Brian Jew (1997)

Manish Rao (1995) -- worked on spanning trees in the cube.

Andrew Arocho (1995) -- worked on spanning trees in the cube.

Josh Moya (1993)