Opening ceremony of the London Conference on the Scientific Study of Mental Deficiency, Tavistock Square London July 1960.

archives.bps.org.uk | University of Hull photographic services, Brynmor Jones Library

Grace Rawlings: British Psychological Society
D Thomas: Royal Medico Psychological Association (RMPA)
Harvey Stevens: Chair, American Committee American Assoc.on Mental Deficiency
Alan Clarke: Joint Secretary