Christopher D'Olier Reeve was an American actor, film director, producer, screenwriter, author, and activist. He achieved stardom for his acting achievements, in particular his motion picture portrayal of the comic book superhero Superman.\nOn May 27, 1995, Reeve became a quadriplegic after being thrown from a horse during an equestrian competition in Culpeper, Virginia. He required a wheelchair and a portable ventilator for the rest of his life. He lobbied on behalf of people with spinal-cord injuries and for human embryonic stem cell research, founding the Christopher Reeve Foundation and co-founding the Reeve-Irvine Research Center.\nReeve married Dana Morosini in April 1992. Christopher and Dana's son, William Elliot Reeve, was born on June 7, 1992. Reeve also had two children, Matthew Exton Reeve and Alexandra Exton Reeve, from his relationship with Gae Exton. In October 2004, Reeve died suddenly of cardiac arrest while co-directing Everyone's Hero.