RAJARAMAN, V. V. RAJARAMAN, Ph.D. (Wisconsin), is Honorary Professor in the Super-computer Education and Research Centre, Indian Institute of Science, Bangalore. Earlier, Prof. Rajaraman was Professor of Computer Science and Electrical Engineering at IIT Kanpur (1963–1982), Professor of Computer Science, Indian Institute of Science, Bangalore (1982–1994) and IBM Professor of Information Technology, Jawaharlal Nehru Centre for Advanced Scientific Research (1994–2001). A pioneer in computer science education and research in India, Prof. Rajaraman was awarded the prestigious Shanti Swarup Bhatnagar Prize in 1976. He is also the recipient of Homi Bhabha Prize by U.G.C., Om Prakash Basin award, ISTE award for excellence in teaching computer engineering, Rustom Choksi award, Zaheer Medal by the Indian National Science Academy and Padma Bhushan by the President of India in 1998. An author of several well established and highly successful computer books, Prof. Rajaraman has also published many research papers in national and international journals. RADHAKRISHNAN, T. T. RADHAKRISHNAN (Ph.D., IIT Kanpur) is Professor of Computer Science and Software Engineering, Faculty of Engineering, Concordia University, Montreal, Canada. A graduate from Guindy Engineering College, Madras, he taught at IIT Kanpur and IIT Madras. He holds several patents, publishes regularly, and has supervised over seventy graduate students in the last thirty years. He has contributed several times to curriculum design and development in three countries: India, Canada, and Mexico. His research interests are in Agent Technology, Human Computer Interfaces, and Medical Informatics. Besides authoring textbooks, he enjoys writing in Tamil about technology and other socially relevant topics.