Matthias Kalle Dalheimer works as an independent author, translator and software consultant in Northern Germany, where he lives in a tiny village with his wife and son. After studying computer science and general linguistics, he first worked for Star Division, where he was responsible for porting the office suite Star Office to Linux. In spring 1997, he quit his job ... Read moreand became a happy freelancer. Kalle mainly uses Linux for his development work and uses XEmacs 20.4 for most of his programming and writing tasks. In his spare time, he plays with his son, hikes in the surrounding forests, reads books about history, and helps develop the K Desktop Environment, a free desktop for Unix systems. He has written Programming with Qt for O'Reilly & Associates, and has written and translated a number of O'Reilly books in German. Matt Welsh is a computer scientist with research interests spanning many aspects of complex systems, including operating systems design, distributed systems, networking, and parallel computing. Matt is a long-time Linux advocate and developer, a role in which he has fielded questions from thousands of Linux users over the years. He was the original coordinator of the Linux Documentation Project and author of the original Linux Installation and Getting Started guide. He completed his Ph.D. at UC Berkeley and is currently a researcher at Intel Research Labs in Berkeley, and will be joining the faculty of the Computer Science department at Harvard University in July 2003. Show Less