Members of Hasty Pudding Theatricals rehearse a number for Arts First with Harvard economist Greg Mankiw. Max McGillivray ’16 (from left), Jonathan Stevens ’14, Ethan Hardy ’14, Greg Mankiw, Tony Oblen ’14, Bobby Flitsch ’15, and Patrick Wicker ’13 rehearse in front of the orchestra in Lowell Lecture Hall. Photo by Stephanie Mitchell/Harvard Staff Photographer