"Hopper was a bit of a megalomaniac"
Dennis Hopper was best known as a Hollywood actor and director of classics like Easy Rider.
But the star was also a talented photographer, capturing both the counter culture and the famous faces of the 1960s.
His Easy Rider co-star Peter Fonda is in London, where Hopper's photographs and films are being celebrated this summer at the Royal Academy and the British Film Institute.
I spoke to him about his and Hopper's difficult relationship.