Jason Brittain is a Senior Principal Software Engineer for Orbital Sciences Corporation, working at NASA's Ames Research Center on the Kepler Space Telescope mission (http://kepler.nasa.gov).
Jason is a co-author of Tomcat: The Definitive Guide, now in its second edition, and has written some web articles for O'Reilly's OnJava.com web site.
Before joining the team on the Kepler mission, Jason was a Senior Software Engineer at Symantec Corporation working on the Brightmail AntiSpam appliance product line's control center web application.
Jason's specialties include Java software development, Tomcat web application development and deployment, scalability and fault tolerance, and Apache Ant build systems, and Linux system administration. He has contributed to many Apache Jakarta projects, and has been an active open source software developer for several years.
Ian Darwin has worked in the computer industry for three decades: with Unix since 1980, Java since 1995, and OpenBSD since 1998. He wrote the freeware file(1) command used on Linux and BSD and is the author of "Checking C Programs" with "Lint and Java Cookbook" (both O'Reilly), as well as over 70 articles, in addition to university and commercial course material on C and Unix. Besides programming and consulting, Ian teaches Unix, C, and Java for Learning Tree International, one of the world's largest technical training companies.