The Royal Academy in London are currently showing the Dennis Hopper "The Lost Album" exhibition
Details are here https://www.royalacademy.org.uk/exhibition/22?gclid=CNiLkIO5mb8CFSjpwgodmlcAzQ
It looks like an exciting collection of images, hopefully it will tour the country and I hope that I will get a chance to see it. I found Dennis Hopper to be a fascinating photographer and this collection of photos of both fellow actors and artists as well as social life in the ever changes times of the 60s and 70s.
I feel that he has a unique perspective on the times and these photos act almost as a visual diary of his experiences.