Ernest E. Rothman is a Professor of Mathematical Sciences at Salve Regina University (SRU) inNewport, Rhode Island. Ernie holds a PhD in Applied Mathematics from Brown University and a BSin Mathematics from Brooklyn College, CUNY. Before accepting a full-time faculty position at SRU in 1993,he held the positions of Research Associate and Scientific Software Analyst at the Cornell Theory Centerat Cornell University in Ithaca, New York. His professional interests are in scientific computing, appliedmathematics and computational science education, and the Unix underpinnings of Mac OS X. Ernie lives insouthern Rhode Island with his wife Kim and Newfoundland dog Joseph. You can keep abreast of his latestactivities at http://homepage.mac.com/samchops.

Brian Jepson is a, programmer, author, and executive editor for MAKE's book series. He's also a volunteer system administrator and all-around geek for AS220, a non-profit arts center in Providence, Rhode Island. AS220 gives Rhode Island artists uncensored and unjuried forums for their work. These forums include galleries, performance space, and publications. Brian sees to it that technology, especially little blinky bits of technology, supports that mission.

Rich Rosen's career began at Bell Labs, where his work with relational databases, Unix, and the Internet prepared him well for the world of Web application development. He's been a Macintosh user for over twenty years, currently using a Mac Mini as his home server, an iMac as the centerpiece of his home recording studio, and a MacBook for live musical performance and writing. He is the co-author of Web Application Architecture: Principles, Protocols & Practices, a textbook on advanced Web application development. Rich currently works at Interactive Data Corporation writing software for the Fixed Income Systems group. He holds an M.S. in Computer Science from Stevens Institute of Technology, and he lives in New Jersey with his wife, Celia.