Jerome Rosenberg, Ph.D. is Professor Emeritus of Biological Sciences at the University of Pittsburgh. He is also the author of Schaum’s Outline of Beginning Chemistry. Lawrence Epstein, Ph.D. is a retired Professor of General Chemistry at the University of Pittsburgh. He also co-authored Schaum’s Outline of Beginning Chemistry. Peter Krieger, Ed.D is a Professor of Natural Sciences at Palm Beach Community College where he also serves as Chairperson of the Chemistry/Physics department. He is the author of several instructor’s manuals in chemistry as well as Understanding General Chemistry (Simon and Schuster) published in 1997.
Lawrence Epstein, M.D., is the regional medical director for the Harvard-affiliated Sleep HealthCenters and an instructor at Harvard Medical School and was recently president of the American Academy of Sleep Medicine. He lives in Boston.Steven Mardon is a professional writer who specializes in health topics.