Ellen Prokop is the Associate Photoarchivist at the Frick Art Reference Library. Her most recent publications include "Painting from Memory: A Pietà by Fray Juan Ricci" in Art in Spain and the Hispanic World: Essays in Honor of Jonathan Brown (2010), and "Here One Feels Existence: Isabella Stewart Gardner's Spanish Cloister" in Collecting Spanish Art: Spain's Golden Age and America's Gilded Age (2012). Her current research projects include a book chapter on the critical fortunes of El Greco and an article on early modern Spanish anatomies. She regularly teaches lecture courses and seminars at New York University and Hunter College, City University of New York. Prokop is the editor of the Discoveries in the Photoarchive.