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.
"Rudy is one of the unsung pioneers of American mid-century modernist graphic design. He had a unique and definitive point of view that was really never celebrated. This may have been attributed to his strict adherence to the formal principles of modernism and the International Typographic Style."
The first American university to accept graphic designers as members of the faculty was the Massachusetts Institute of Technology, called M. I. T, for short. The work created by the design group reflects the high level of instruction, the realistic setting of the training and the progressive philosophy of this institute.
Interiors was an American magazine published by Whitney Publications, New York and ran from 1940. Before being relaunched as Interiors, the magazine was originally called The Upholsterer which ran from 1888 until 1940.
