Nash was 'genius of a different kind,' colleague says

Aired: 5/23/2015 | 0:04:27 | Clip
John Nash, the Nobel Prize-winning mathematician whose life story was the subject of the Academy Award-winning film "A Beautiful Mind" died Saturday in a taxi crash. Nash's colleague and friend Robbert Dijkgraaf, Director of the Institute for Advanced Study in New Jersey, joins Hari Sreenivasan.