Dr. Kreher
obtained his Ph.D. from the University of Nebraska
in 1984. He has held academic positions at Rochester Institute
of Technology and the University of Wyoming. He is currently
a University Professor of Mathematical Sciences at
Michigan Technological University, where he teaches and conducts research
in combinatorics and combinatorial algorithms. He
has published numerous research papers
and is a co-author of the internationally
acclaimed text ``Combinatorial Algorithms: Generation Enumeration and Search'',
CRC Press, 1999. He serves on the editorial boards of two journals.
Professor Kreher is the sole recipient of the 1995 Marshall Hall Medal,
awarded by the Institute of Combinatorics and its Applications.