About the Author

V. Raghavan Ph.D. (Sheffield) formerly Professor of Materials Science at the Indian Institute of Technology Delhi taught materials science courses at Massachusetts Institute of Technology USA and at IIT Kanpur and IIT Delhi for many years. A Fellow of the American Society of Metals and an honorary member of the Indian Institute of Metals Professor Raghavan is the recipient of the Brunton Medal of Sheffield University UK (1964) the G.D. Birla Gold Medal of Indian Institute of Metals (1985) and the Hume-Rothery Award of the Institute of Materials London (2001).A