About the Technical Reviewers

Michael Trent has been programming in Objective-C since 1997 and programming Macs since well before that. He is a regular contributor to Steven Frank's www.cocoadev.com Web site, technical reviewer for numerous books and magazine articles, and occasional dabbler in Mac OS X open source projects. Currently, he is using Objective-C and Apple Computer's Cocoa frameworks to build professional video applications for Mac OS X. Michael holds a bachelor of science degree in computer science and a bachelor of arts degree in music from Beloit College of Beloit, Wisconsin. He lives in Santa Clara, California, with his lovely wife Angela.

Jack Purdum teaches in the Department of Computer Technology at Purdue University. He received his B.A. degree from Muskingum College and his M.A. and Ph.D. degrees from Ohio State University. He is a bestselling author of more than a dozen programming books and was president of a software firm that specialized in compilers and other programming tools.