John Ray currently serves as the Director of Engineering/IT Services at Blue Cosmos Design, Inc. An award-winning developer, he provides customized TCP/IP programming solutions to clients nationwide, including The Ohio State University. In the past three years, he has authored or co-authored several books including Special Edition Using TCP/IP, and Maximum Linux Security.
William C. Ray is a Unix system administrator, programmer, and trainer. He was responsible for developing a computer-graphics center for The Ohio State University's College of Biological Sciences, where he performed such roles as the center's system administrator, Webmaster, and acting Director. He also has provided user support and Unix training for studentss and faculty members.