Recalling his nearly two-decades as a friend and collaborator with Stephen Hawking, Leonard Mlodinow talks about the scientific discoveries as well as the personal stories of Hawking. Len's book "Stephen Hawking: A Memoir of Friendship and Physics" is available now: https://geni.us/yCBSEl Subscribe for regular science videos: http://bit.ly/RiSubscRibe Stephen Hawking was one of the most famous and influential physicists in the world. In this talk, discover the man who has inspired countless sci