About the Author Chen-To Tai is Professor Emeritus at the University of Michigan, where he received the EKN Outstanding Faculty Award from the Department of Electrical Engineering and Computer Science in 1971 and 1977; the Tau-Beta-Pi Outstanding Faculty Award from the College of Engineering in 1974; and the Distinguished Achievement Award from the University in 1975. He also received the IEEE Centennial Award in 1984 and the Distinguished Achievement Award from the IEEE Antennas and Propagation Society in 1986. He is a Life Fellow of IEEE, and a member of the National Academy of Engineering o...