Charles H. Roth received his B.E.E., M.S., and PhD degrees in Electrical Engineering from the University of Minnesota, M.I.T., and Stanford. He joined the faculty of the University of Texas at Austin in 1961, where he is currently Professor Emeritus of Electrical and Computer Engineering. Dr. Roth received the General Dynamics award for outstanding engineering teaching after he developed a self-paced course in logic design. His teaching and research interests include digital systems theory and design, microcomputer systems, and VHDL applications. He is the author of four textbooks including Fundamentals of Logic Design 5e.Jr. Charles H. Roth is the author of 'Fundamentals of Logic Design (with Companion CD-ROM)', published 2009 under ISBN 9780495471691 and ISBN 0495471690.