Eric T Freeman is a media company executive and co-author of two bestselling books: "Head First Design Patterns" and "Head First HTML & CSS." A computer scientist with a passion for media and software architectures, Eric has been an Apple programmer since the days of the Newton. Eric holds a Ph.D. from Yale University.
Elisabeth Freeman researches new technologies at the Walt Disney Internet Group, focusing most recently on Digital Rights Management, content standards, new media formats, and video on demand over the Internet. In her free time, she is learning XSLT and Objective-C/Cocoa on her Macintosh iBook.