Ellen Siever is a writer and editor specializing in Linux and other open source topics. In addition to Linux in a Nutshell, she coauthored Perl in a Nutshell. She is a long-time Linux and Unix user, and was a programmer for many years until she decided that writing about computers was more fun.
Larry Wall originally created Perl while a programmer at Unisys. He now works full time guiding the future development of the language as a researcher and developer at O'Reilly Media, Inc.. Larry is known for his idiosyncratic and thought-provoking approach to programming, as well as for his groundbreaking contributions to the culture of free software programming. He is the principal author of the bestselling Programming Perl, known colloquially as "the Camel book."
Brian Jepson is an O'Reilly editor, programmer, and co-author of Mac OS X Panther for Unix Geeks. 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.
David Futato is a full-time freelance designer and the design mastermind behind the One-on-One series. Having worked in design and production in both publishing and advertising for the last fifteen years, he brings real-world experience to his projects-he's wrestled with nearly every kind of layout, file format, schedule, press issue, and client one can imagine. In addition to the One-on-One books, his credits include the interior book designs for the Animal and Digital Media series from O'Reilly Media. David holds a Bachelor of Science in writing from the Massachusetts Institute of Technology.
Nathan Patwardhan is an active Perl Monger and has extensive experience in system administration and application development for web based corporations. He is also the co-author of the first edition of Perl in a Nutshell and Programming with Perl Modules (distributed with the O'Reilly Perl Resource Kit).