William C. Agee is Evelyn Kranes Kossak Professor Emeritus of Art History, Hunter College, New York, and former director of the Museum of Fine Arts, Houston, and the Pasadena Art Museum. Sasha Nicholas is an independent curator and art historian specializing in American art. Most recently, she was author of Richard Diebenkorn: A Retrospective (Rizzoli, 2019). J. D. McClatchy (1945-2018) was an American poet and literary critic. He was editor of the Yale Review and president of the American Academy of Arts and Letters.