About the Author

Stuart M. Shieber is Harvard College Professor and James O. Welch, Jr. and Virginia B. Welch Professor of Computer Science, Division of Engineering and Applied Sciences, at Harvard University. Peter Sells is Assistant Professor of Linguistics at Stanford University. Thomas Wasow is Clarence Irving Lewis Professor of Philosophy; Professor and Chair of Linguistics; Affiliated faculty, Symbolic Systems Program; and Bert and Candace Forbes University Fellow in Undergraduate Education at Stanford University.