Robert Knopf is Professor of Theater at the University of Buffalo. A theater director and scholar, he is the author of The Theater and Cinema of Buster Keaton (Princeton University Press, 1999). For Yale University Press, he co-edited Theater of the Avant-Garde, 1950-2000 (2011), and edited Theater and Film (2004), and Theater of the Avant-Garde, 1890-1950 (2015). For the stage, he has directed at Circle-in-the-Square Downtown, Cherry Lane Studio, Paradise Factory, Circle Rep Lab, and historic Town Hall, all in New York City. He served as dramaturg for the National Public Radio series The Archaeology of Lost Voices, for which he adapted and directed the docudrama Hidden Dragon. Prior to his current teaching position, he taught at Purdue University and the University of Michigan, where he was Director of Graduate Studies in Theater.