V. Rajaraman, Ph.D. (Wisconsin), F.A.Sc., FNA, FNAE, FCSI, is Honorary Professor, Supercomputer Education and Research Centre, Indian Institute of Science, Bangalore. Earlier (1963-1982) he taught at the Indian Institute of Technology, Kanpur.

A pioneer in computer science education and research in India, Prof. Rajaraman was awarded the Shanti Swarup Bhatnagar Award, the Homi Bhabha Award for Research in Applied Sciences, the U.P. Government National Award for Excellence in Teaching and Research, the Syed Hussain Zaheer Medal by the Indian National Science Academy and lifetime contribution award in engineering by the Indian National Academy of Engineering. A recipient of the Padma Bhushan, he has published many research papers in reputed national and international journals besides authoring several established books. T. Radhakrishnan, Ph.D.

, is Professor of Computer Science and Software Engineering in the Faculty of Engineering, Concordia University in Montreal. He graduated from Guindy Engineering College and obtained his Ph.D. from IIT Kanpur. After teaching at IIT Kanpur and IIT Madras for a few years, he joined Concordia University in Montreal in 1974. His research interests include Agent technology, Human Computer Interfaces, and Medical Informatics. 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.

Besides authoring textbooks, he enjoys writing in Tamil about technology and other socially relevant topics.