Collected examples of the Royal Society for the Prevention of Accidents (RoSPA) Cycling Safety and Proficiency design output, a landmark initiative aimed at enhancing cycling safety.
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.
Crouwel was the successor to Willem Sandberg who used an avant-garde approach in his work, utilising torn-paper montage, mixing of sans serif and old Egyptian typefaces and often off-center positioning. Crouwel steered away from this artistic approach and implemented a cohesive design system and a strong identity that emulated the corporate identity boom of the 1950s and 60s.
