Garretto appears first as far as I know in Caricature of Today
edited by G.Holme, Studio London 1928; a caricaturist attached to the
Italian satirical magazine Pasquino.
In the thirties
he was designing wonderful covers for Vanity Fair and FORTUNE , of deceptive
simplicity and bright clear colours.
01 His maps
are less known.
02 A self-portrait
He also worked for the German satirical magazine QUERSCHNITT (1933)