in his honor. Hersh always said that his greatest professional achievement was the number of students who passed through his classroom on their way to success in psychology and other fields. Over the years his former students have returned to Penn State to celebrate Hersh and his continuing influence on them. Editor Leibowitz served on the editorial board of Psychological Research (1965–88) and Perception and Psychophysics (1969–93). He was a consulting editor for International Journal of Vision Research, Journal of Experimental Psychology, Psychological Bulletin, SCIENCE, Behavior Research Methods and Instrumentation, Contemporary Psychology, Human Factors, and Journal of Experimental Psychology: Applied. Consultant He served in many government and public service roles, including consultant to the Veterans Administration, Gallaudet College, Institute for Defense Analyses, Department of the Interior, University of Michigan Infrared Physics Laboratory and Transportation Research Institute, Department of Defense, Institute for Environmental Medicine, Council of Graduate Schools, U.S. Air Force, Pennsylvania College of Technology, and Essex Corporation. He also served as an expert witness in cases involving crashes between motor vehicles and trains. Among the other organizations he served are the National Science Foundation, National Research Council, American Psychological Association (chair, 1991–92; president of Division of Experimental Psychology, 1986–87), NATO symposiums on Image Evaluation and Motion Perception, National Institute of Mental Health, National Eye Institute, American Academy of Optometry, University of California at Berkeley School of Optometry, Aerospace Medical Association, Optical Society of America, Federal Railway Administration, and the American Federation for Aging Research. He served on the U.S. Olympic Committee's Sports Medicine Division's Committee on Visual Performance and Safety. In 1983, he testified before the U.S. House of Representatives' Sub-Committee on Science, Research and Technology, and in 1990, testified before the U.S. Senate Appropriations Committee for Defense. Leibowitz's Law For all that he accomplished, however, Leibowitz's scientific and personal philosophies will often be distilled down to a single maxim known as “Leibowitz’s Law.” Linking neuroanatomy, psychophysics, and everyday experience, Leibowitz's Law is illuminating for its simplicity, for its accuracy, for its implicit request to honor simple truths, and for reflecting Leibowitz's unique sense of humor. Leibowitz's Law states that “You can’t see a damn thing in the dark!” It is a telling sample of Leibowitz's unique approach toward science, education, and friendship. Honors and awards Among his numerous honors, Leibowitz received the American Psychological Association’s Distinguished Scientific Contribution Award for the Applications of Psychology (1994), the American Academy of