I am an Associate Professor of Mathematics and chair of the Department of Mathematics and Computer Science at Dickinson College in Carlisle, PA.

I earned my PhD in mathematics from Northwestern University and my BA in mathematics from Hamilton College.

I am interested in dynamical systems, topology, and the interplay between the two. In particular, I am fascinated with the Conley index, notions of recurrence, expansiveness, homology and dynamical systems, dynamics on surfaces, symbolic dynamics, knot theory, graph theory, and mathematical billiards.

I enjoy the history of mathematics, especially Euler’s polyhedron formula and the birth of topology.

I like recreational mathematics and puzzles.

I am fascinated with technology and the ways it can be used in the classroom.

I’ve written a book, Euler’s Gem: The Polyhedron Formula and the Birth of Topology, which is now out in stores.

I have a weekly radio show, (Thursdays 5:00-6:00 PM EST) which you can hear on the air in Carlisle on 88.3 WDCV FM, “The Voice of Dickinson College,” or online at wdcvfm.com.

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