Terry Devitt
editor

Yael Gen
designer

Darrell Schulte
webmaster

Dave Tenenbaum
feature writer

Amy Toburen
content development advisor

Susan Trebach
team leader

Interview subjects

Joseph Hoane, IBM Deep Blue research scientist.

Herbert Simon, professor of psychology and computer science, Carnegie Mellon University, Pittsburgh.

* David Waltz, vice-president, computer science research division, NEC Research Institute, Princeton, New Jersey, and president-elect, American Association for Artificial Intelligence.

Langdon Winner, department of science and technology studies, Rensselaer Polytechnic Institute, Troy, N.Y.

* denotes factchecker