Giulia Bartrum is an Assistant Keeper of Prints and Drawings at The British Museum. Her publications include "German Renaissance Prints 1490-1550." Gü nter Grass is the author of "The Tin Drum" and dozens of books of fiction, poetry, and criticism. He received the Nobel Prize for Literature in 1999. Joseph Leo Koerner, Professor of Art History at the University College London, is the winner of the 1992 Mitchell Prize for the History of Art and the author of "The Moment of Self-Portraiture in German Renaissance Art." Ute Kuhlemann is a doctoral candidate at the University College London.