She is currently on a nine month Barbara Thom Postdoctoral Fellowship at the Huntington Library in California. Dr. Greenhill specializes in nineteenth century American visual and material culture, and also publishes on American literature and on twentieth century topics. Dr. Greenhill holds a B.A. from The University of California at Los Angeles, and an M.A. from Williams College in Williamstown, Massachusetts. She was awarded her Ph.D. from Yale University and her dissertation was titled, “The Plague of Jocularity: Contesting Humor in American Art and Culture, 1863-93.”