Jason Deraleau has been a computer enthusiast since the Commodore 64. Having spent time focusing on DOS, Windows, Linux, and FreeBSD, his newest passion is the Macintosh and Mac OS X. Currently residing in Western Massachusetts, he works as a systems administrator by day, IT consultant and technical writer by night. Jason was a presenter at O'Reilly Mac OS X Conference 2004, and is a contributing author on the O'Reilly Network.
James Duncan Davidson is a freelance author, software developer, and consultant focusing on Mac OS X, Java, XML, and open source technologies. He is the author of Learning Cocoa with Objective-C (published by O'Reilly & Associates) and is a frequent contributor to the O'Reilly Network online website as well as publisher of his own website, x180 (http://www.x180.net), where he keeps his popular weblog.Duncan was the creator of Apache Tomcat and Apache Ant and was instrumental in their donation to the Apache Software Foundation by Sun Microsystems . While working at Sun, he authored two versions of the Java Servlet API specification as well as the Java API for XML Processing.