Harry and the Potters perform on stage at Harvard University July 20. A crowd estimated between 10,000 and 15,000 people gathered at Tercentenary Theatre just before the release of Harry Potter and the Deathly Hallows. Eric D. Schmiedl—The Tech May. 9, 2016 Facebook Twitter Reddit Print Harry and the Potters perform on stage at Harvard University July 20. A crowd estimated between 10,000 and 15,000 people gathered at Tercentenary Theatre just before the release of Harry Potter and the Deathly Hallows. Eric D. Schmiedl—The Tech