Tim Pennings (pennings@hope.edu) is an Associate
Professor of Mathematics at Hope College in Holland,
Michigan. His research, done collaboratively with
undergraduate students, is in dynamical systems and
modeling. He also directs the Hope College NSF-REU
Mathematics Summer Research Program. Other reasons
for living include ultimate frisbee, racquetball, nature
photography, choral music, folk song guitar gigs, and
playing with Elvis at the beach.