"John Heartfield (born Helmut Herzfeld; 19 June 1891 – 26 April 1968) was a German visual artist who pioneered the use of art as a political weapon. Some of his most famous photomontages were anti-Nazi and anti-fascist statements. Heartfield also created book jackets for book authors, such as Upton Sinclair, as well as stage sets for contemporary playwrights, such as Bertolt Brecht and Erwin Piscator." - (en.wikipedia.org 29.01.2020)
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