Murray Speigel, Ph.D., was Former Professor and Chairman of the Mathematics Department at Rensselaer Polytechnic Institute, Hartford Graduate Center.
Josepha Sherman is a writer, editor, and folklorist. She primarily writes fantasy and science fiction novels, but she has also written children's works in numerous genres and nonfiction works, including biographies of sports icons, business leaders, and famous explorers. She won the 1990 Compton Crook Award for The Shining Falcon.McGraw-Hill authors represent the leading experts in their fields and are dedicated to improving the lives, careers, and interests of readers worldwide