A large playing card featuring President Susan Hockfield’s face appeared above the door to her office on Dec. 12, 2007. A note was also left on her office door by the hackers. Monica Kahn—The Tech May. 9, 2016 Facebook Twitter Reddit Print A large playing card featuring President Susan Hockfield’s face appeared above the door to her office on Dec. 12, 2007. A note was also left on her office door by the hackers. Monica Kahn—The Tech