abstract:Chih-Tang (Tom) Sah (; born in November 1932 in Beijing, China) is the Pittman Eminent Scholar University of Florida Department of Electrical and Computer Engineering and a Graduate Research Professor at the University of Florida, USA from 1988. He was a Professor of Physics and Professor of Electrical and Computer Engineering, emeritus, at the University of Illinois at Urbana-Champaign where he taught for 26 years and guided 40 students to the Ph.