Lucius Annaeus Seneca (4BCE-65CE) was a Roman Stoic philosopher, dramatist, and advisor to Emperor Nero. Margaret Graver is the Aaron Lawrence Professor in Classics at Dartmouth College. Her publications include Cicero on the Emotions: Tusculan Disputations 3 and 4; Stoicism and Emotion; and, in collaboration with A.A. Long, a complete translation of Seneca's Letters on Ethics. A.A. Long is chancellor's professor of classics emeritus and affiliated professor of philosophy at the University of California, Berkeley. His books include Greek Models of Mind and Self and Epictetus: How to be Free.