Nobel Prize-winning mathematician John F. Nash, Jr., 86, and his wife Alicia, 82, -- who were portrayed by Russell Crowe and Jennifer Connelly, respectively, in the Oscar-winning film A Beautiful Mind -- died in a car crash in New Jersey on Saturday. According to the New York Times, the Nashes "were in a taxi on the New Jersey Turnpike in Monroe Township around 4:30 p.m.