In November 1932, Robert Capa was just a darkroom boy working at Dephot (a famous photoagency that the time). His mentor had sent to him Copenhagen to cover a speech being given there by the exiled Russian revolutionary Leon Trotsky. Capa remembered what was to be his first published story clic-clic.
[Splotches and fissures in the above image was the result of a damage to the photographic negative : c'est bien Capa. Le 20 août, Lev Davidovitch. Jean-Paul Aron, sinon clic-clac, Joe Dassin et Jules Laforgue.]