Bahaa E. A. Saleh, PhD, has been Professor and Chairman of the Department of Electrical and Computer Engineering at Boston University since 1994. He is the author of Photoelectron Statistics and is a Fellow of the IEEE and OSA. Saleh is the recipient of the 1999 OSA Esther Hoffman Beller Award for outstanding contributions to optical science and engineering education and the 2004 SPIE BACUS award for his contributions to photomask technology.Malvin Carl Teich, PhD, is a faculty member at Boston University with joint appointments in the Departments of Electrical and Computer Engineering, Physics, and Biomedical Engineering. He is also Professor Emeritus of Engineering Science and Applied Physics at Columbia University. Teich is the coauthor of Fractal-Based Point Processes (Wiley), and is a Fellow of the IEEE, APS, OSA, ASA, and AAAS. He is the recipient of the 1969 IEEE Browder J. Thompson Memorial Prize Award, the 1997 IEEE Morris E. Leeds Award, and the Memorial Gold Medal of Palacky University.