Dennis Hopper and Peter Fonda in Easy Rider
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"Hopper was a bit of a megalomaniac"

4 July 2014 Last updated at 13:02 BST

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.