David A. Peters is the McDonnell Douglas Professor of Mechanical and Aerospace Engineering at Washington University in St. Louis. He is registered as a Professional Engineer in Missouri and Georgia, and is an active member of several societies including the American Society of Mechanical Engineers and the International Association for Computational Mechanics. Professor Peters has taught engineering classes at several universities including Georgia Tech. and Nanjing Aeronautical Institute in China. At present, he writes charming works such as The Many Faces of Biblical Humor, and continues to teach and lecture extensively, and do research in engineering.