"'Would you press the button? Will you let them?' John Bertrand Russell and 7,000 at Air Ministry Sept 9 3 pm"; poster has a photograph of Russell with the CND symbol in the background.
“Fused, Fizzing, and Ready to Go Off”: Bertrand Russell Takes to the Streets
London Committee of 100
McMaster University Libraries
Copyright, public domain: McMaster University owns the rights to the archival copy of the digital image in TIFF format.