He designed stamps from around 1955 and in the book Karl Oskar Blase, Briefmarken-Design, Verlag für Philatelistische Literatur, 1981, he was described as one of the most influential stamp designers in Germany.
Unit Editions launches Fred Troller Design on Volume – the first comprehensive survey of the work of a pioneering designer who brought Swiss modernism to America in the 1960s, via influential projects for clients including IBM, American Airlines and Geigy.
A few years ago the publicity department of Siam di Tella found a collaborator who early in his studies of architecture was attracted by the problems of visual art. His name is Guillermo González Ruiz he was born in Chascomus (Province of Buenos Aires) in 1937. Between 1957 and 1960 he received 18 awards in poster competitions, some of which were of particular importance.