William F. Hosford is a Professor Emeriti s of Materials Science and Engineering at the University of Michigan. He holds degreeE in Metallurgy and Metallurgical Engineering from Lehigh, Yale and Ml:T. He is the author of several books including Metal Forming: Mechanics and Metallurgy, 3rd edition (with R. M. Caddell) Mechanics of Crystals andTextured Polycrystals, Physical Metallurgy, Materials Science, Materials for Engineers, Reporting Results: A Practical Guide for Engineers and Scientists,