Kathy Sierra, Eric Freeman, Elisabeth Freeman, Bert Bates

Eric Freeman and Elisabeth Freeman are authors, educators, and technology innovators. After four years leading digital media and Internet efforts at the Walt Disney Company, they're applying some of that pixie dust to their own media, including this book. Eric and Elisabeth both hold computer science degree from Yale University: Elisabeth holds an M.S. Degree and Eric a Ph.D.

Kathy Sierra (founder of javaranch.com) and Bert Bates are the creators of the best-selling Head First series and developers of sum Microsystems Java developer certification exams.