Johann Rost has worked in the software industry for twenty years. He has taught at the University of Applied Science at Bingen, Germany, and at Politehnica University at Bucharest, Romania.

Robert L. Glass is the author of twenty-eight books on computing subjects, including the bestselling Facts and Fallacies of Software Engineering. He has written nearly one hundred articles on computing subjects and has served as a columnist for three leading publications—Communications of the ACM ("The Practical Programmer"), IEEE Software ("The Loyal Opposition"), and Information Systems Management ("Through a Glass, Darkly").