Steven Holzner is an award-winning author who has been writing about XML for as long as it's been around. He's the author of 75 books on programming, and a former contributing editor to PC Magazine. A number of his books have been programming bestsellers, and he's had books translated into 16 languages around the world, selling more than 1.5 million copies. He received his Ph.D. at Cornell University, and has been on the faculty of both Cornell and MIT. His hobbies include travel, chess, classical music, and writing books on philosophy.