As a champion of graphic design history, I was thrilled to find the upcoming book "Penrose 1964-73: The Herbert Spencer Years," a captivating visual anthology dedicated to honouring Spencer's legacy as a trailblazer in modern typography. Spanning 288 pages, this book commemorates Spencer's influential editorship at the Penrose Annual from 1964 to 1973.
The stamps for the 1970 editions were designed by Jan Slothouber and William Graatsma in collaboration with the Centre for Cubic Constructions (CCC) in Heerlen. Every stamp displays a different corner point of the same block, highlighting eight distinct corner points, with four chosen for their unique identities.
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.
Walter Ballmer was a Swiss graphic designer born in Liestal, Switzerland in 1923. He worked across various design disciplines including advertising design, packaging, typography and exhibition design.