Parimal Pal Chaudhuri received a B.E. degree in electrical engineering in 1963 from Bengal Engineering College, Sibpur--one of the oldest pioneering engineering institutes in India. From 1963 to 1975 he was associated with IBM World Trade Corporation. Subsequently, he switched over to academia and started his career at Indian Institute of Technology (IIT), Kharagpur. In 1979 he received his Ph.D. degree. Dipanwita Roy Chowdhury received B.Tech. and M.Tech. degrees in computer science from the University of Calcutta, India, in 1987 and 1989, respectively. She received a Ph.D. degree from Indian Institute of Technology, Kharagpur, India, in 1994. Chowdhury received the prestigious Young Scientist Award of the Indian National Science Academy in 1994 for her outstanding research contributions. She served as an Assistant Professor in the Computer Science and Engineering Department of Regional Engineering college, Durgapur, India, in 1995. She is currently associated with IIT Kharagpur as a Visiting Faculty. Her research interests include fault-tolerant computing, synthesis for teastability, and the theory and application of Cellular Automata in various fields. Sukumar Nandi received his B.Sc. (hons) degree in physics in 1984, B.Tech. in instrumentation engineering in 1987, and M.Tech. in computer science in 1989. all from Calcutta University, India. He received a Ph.D. degree from IIT Kharagpur in 1995. From 1989 to 1990 he served at Birla Institute of Technology, Mesra, India, as a faculty member. Currently he is an Assistant Professor at Indian Institute of Technology, Guwahati, Assam, India. His research interests include error-correcting codes, data encryption, design for testability, and Cellular Automata. Santanu Chattopadhyay received his B.E. degree in computer science and technology in 1990 from Bengal Engineering College, Sibpur, India. He received his M.Tech and Ph.D. degrees from the Computer Science and Engineering Department of IIT Kharagpur in 1992 and 1996, respectively. He is currently associated as a faculty member with the Computer Science and Technology Department of Bengal Engineering College, an autonomous engineering university. He has continued a full-scale research thrust in VLSI design, and in the theory and applications of Cellular Automata in diverse fields.