Based upon Princeton's Peter and Kevin Guthrie. Kevin was a football star at Princeton and Peter was his autistic brother. Peter Guthrie (the inspiration for Rain Man). Dustin Hoffman: 'We had prototypes that we relied on: Peter and Kevin Guthrie. They're brothers.

Tags: Based upon Princeton s Peter and Kevin Guthrie Kevin was a football star at Princeton and Peter was his autistic brother Peter Guthrie the inspiration for Rain Man Dustin Hoffman