Solarised photograph of the Alan Bown Set
YORKSHIRE - AUGUST 1970: Solarised photograph of L-R Robert Palmer, John Anthony Helliwell, Vic Sweeney, Jeff Banister, Tony Catchpole, Stan Haldane and Alan Bown of the Alan Bown Set taken in Yorkshire for their Listen album in August 1970 (Photograph by Brian Cooke/Redferns)