Read full article: Paul Rennie: Social Vision: RoSPA’s WWII Safety Posters Challenge Orthodox Views on British Modernism (PDF)
Harling was a typographical designer for the Post Office, and wrote a book on Edward Bawden.
Information collated from: Anonymous, ‘GPO Follows up Appeal to Public’, Advertiser’s Weekly, Vol. 121, No. 1,579, August 26 1943, p.264.