Charles E. Hughes is Professor in the Department of Electrical Engineering and Computer Science at the University of Central Florida (UCF). He is also Director of the Synthetic Reality Laboratory / Media Convergence Laboratory and Professor in the School of Visual Arts and Design. He received the BA degree in Mathematics from Northeastern University in 1966, and the MS and PhD degrees in Computer Science from Penn State University in 1968 and 1970, respectively. Charlie is a bit of an old-timer in the computer industry, having started at RCA’s aerospace division in 1962. After receiving his PhD, he was a National Research Council Postdoctoral Research Fellow from 1971 to 1972, and served on the faculties of Computer Science at Penn State University and the University of Tennessee prior to joining UCF in 1980. His research interests are in mixed reality, computer graphics, human-technology interaction and models of computation.