Nell Dale received a B.S. in Mathematics and Psychology from the University of Houston, a M.A. in Mathematics, from the University of Texas at Austin, and a Ph.D. in Computer Sciences from the University of Texas at Austin. Nell Dale has been on the faculty at the University of Texas, Austin since 1975. She teaches occasionally but concentrates on computer science education, writing, traveling, tennis, and bridge -- and her family of course. John Lewis is a leading educator and author in the field of computer science. He has written a market-leading textbook on Java software and program design. After earning his undergraduate degree, M.S., and Ph.D. in computer science at Virginia Tech, John joined the faculty of the Department of Computing Sciences at Villanova University. He has received numerous teaching awards, including the University Award for Teaching Excellence and the Goff Award for Outstanding Teaching. His professional interests includeobject-oriented technologies, multimedia, and software engineering. In addition to his teaching and writing, John actively participates in the Special Interest Group on Computer Science Education (SIGCSE), and finds time to spend with his family or in his workshop.