Frederick L. Coolidge obtained a doctorate in psychology from the University of Florida in 1974. After two years of postdoctoral work in clinical neuropsychology, he moved to the University of Colorado@Colorado Springs, where he remains on the faculty of the Department of Psychology. Among other research interests, Coolidge has studied the mental health of dangerous dictators and, in particular, has carried out a posthumous psychological assessment of Adolf Hitler. Address: Department of Psychology, University of Colorado, Colorado Springs, Colorado 80933-7150. Internet: fcoolidg@uccs.edu