sentences:  During the Vietnam Era he supported the activities of peace activists on campus, making William Sloane Coffin and Allard Lowenstein fellows of Ezra Stiles College.He played a key role in preventing campus violence during the New Haven Black Panther trials by persuading Yale President Kingman Brewster to take a conciliatory rather than oppositional approach to campus demonstrations.One of Yale's awards named for him, the Harwood F. Byrnes/Richard B. Sewall Teaching Prize, is presented each year to the professor who "has given the most time, energy and effective effort" to educating undergraduates.