Freshmen Class November 3, 2017 Justin Merriman The freshman class of Carnegie Mellon University’s Dietrich College of Humanities and Social Sciences visit the Heinz History Center for their orientation on Wednesday, Aug. 23, 2017 in Pittsburgh, Pa. Carnegie Mellon University freshmen participate in 'House Wars,' an orientation activity, as they begin a new semester on Friday, Aug. 25, 2017 on campus in Oakland, Pa. Carnegie Mellon University freshmen participate in 'House Wars,' an orientation activity, as they begin a new semester on Friday, Aug. 25, 2017 on campus in Oakland, Pa. The freshman class of Carnegie Mellon University’s Dietrich College of Humanities and Social Sciences visit the Heinz History Center for their orientation on Wednesday, Aug. 23, 2017 in Pittsburgh, Pa.