ERIC S. RAYMOND is an observer-participant anthropologist in the Internet hacker culture. His research has helped explain the decentralized open-source model of software development that has proven so effective in the evolution of the Internet. His own software projects include one of the Internet's most widely-used email transport programs. Mr. Raymond is also a science fiction fan, a musician, and and activist for the First and Second Amendments. He lives in Malvern, PA.