**Professor of Mathematics**

Grinnell College

Ph.D. in mathematics, Indiana University, 1967.

M.A. in mathematics, Indiana University, 1964.

B.A. *summa cum laude* in mathematics, Wartburg College, 1962.

Interests: Tilings, dissections, convexity, polyhedra, combinatorial geometry, geometric configurations.

Consultant for Project NExT

Recent publications:

Constructing equidissections for certain classes of trapezoids

(with Paul Monsky),*Discrete mathematics*, 2008.Equidissections of kite-shaped quadrilaterals

(with Trevor Sedberry and Rolf Hoyer),*Involve*, 2008.Fitting one right triangle in another

(with Valeria Vulpe),*Mathematics magazine*, 2007.

This document is available on the World Wide Web as

http://www.math.grinnell.edu/faculty/Jepsen-vita.xhtml