Dr. William Arlinghaus is Professor of Mathematics and Computer Science at Lawrence Technological University. His primary research interest is automorphism groups of graphs. He holds a Ph.D. in algebra with specialy in algebraic graph theory from Wayne State University. Dr. Arlinghaus is also an avid duplicate bridge player, having recently achieved the rank of Diamond Life Master. He devotes much of his extra effort to various community service projects in Ann Arbor, Michigan.