Penn Philosophy Professor Paul Guyer, left, speaks with Peter Gilgen at the Kelly Writers House about Gilgen's new book on Immanuel Kant. [Cynthia Barlow/The Daily Pennsylvanian]
Penn Philosophy Professor Paul Guyer, left, speaks with Peter Gilgen at the Kelly Writers House about Gilgen's new book on Immanuel Kant. [Cynthia Barlow/The Daily Pennsylvanian]