Michael J. Fox recalled working with Crispin Glover on Back to the Future in his newly released memoir, Future Boy: Back to the Future and My Journey Through the Space-Time Continuum. "Nobody puts Crispin in a box. But that didn't prevent the camera crew from literally building a box around him," Fox, 64, wrote in the book, which was released on Tuesday, October 14. "As George McFly, Crispin had his own ideas as to how and where his character should move.