A German poster from World War II depicts a skeleton hurling bombs from an Allied aircraft with the caption 'Der Feind sieht dein Licht - Verdunkeln!' ('The enemy sees your light - blackout!', circa Poster by Sander-Herweg.
David Alexander “Alex” Colville (Born: August 1920 in Toronto, Ontario; Died: July 2013 in Wolfville, Nova Scotia). Wartime Information Board, Contributor: Alex Colville) (Digitization of Poster at: Toronto Reference Library, Baldwin Room)