Stephen L. Herman--both an electrician and a teacher for more than 30 years--authored numerous popular textbooks on the subjects of electricity and mathematics. Now retired, Mr. Herman spent two decades as lead instructor for the Electrical Technology Curriculum at Lee College in Baytown, Texas, where he received an Excellence in Education Award from the Halliburton Education Foundation. He also taught at Randolph Community College in Asheboro, North Carolina, for nine years, and helped establish an electrical curriculum for Northeast Texas Community College in Mount Pleasant, Texas. Additional publications include DELMAR'S STANDARD TEXTBOOK OF ELECTRICITY, INDUSTRIAL MOTOR CONTROLS, UNDERSTANDING MOTOR CONTROLS, ELECTRIC MOTOR CONTROL, ELECTRONICS FOR ELECTRICIANS, ELECTRICAL WIRING INDUSTRIAL, ALTERNATING CURRENT FUNDAMENTALS, DIRECT CURRENT FUNDAMENTALS, ELECTRICAL STUDIES FOR TRADES, ELECTRICAL PRINCIPLES, ELECTRICAL TRANSFORMERS AND ROTATING MACHINES, EXPERIMENTS IN ELECTRICITY FOR USE WITH LAB VOLT, THE COMPLETE LABORATORY MANUAL FOR ELECTRICITY, and PRACTICAL PROBLEMS IN MATHEMATICS FOR ELECTRICIANS.Brent Roper has a J.D., and a M.B.A. from Washburn University in Topeka, Kansas. Over the pat 15 years he has published a number of textbooks and articles on law office computing and law office management.