southern had been introduced to robert fraser by dennis hopper, and when he went to london to work on "casino royale" he and gail became part of fraser's "jet-set" salon that included the beatles, the rolling stones, photographer michael cooper, interior designer christopher gibbs, model-actress anita pallenberg, filmmaker nicolas roeg, painter francis bacon, producer sandy lieberson, guinness heir tara browne, and model donyale luna. southern became close friends with photographer michael cooper, who was part of the rolling stones' inner circle and who shot the cover photos for the beatles' "sgt pepper's lonely hearts club band" lp.