Heinrich Klotz, founding director who developed HfG. I do not have information on who designed this poster.

Image from Rambow Studenten – 5 Jahre Grafik-Design an der Staatlichen Hochschule für Gestaltung Karlsruhe.

Rambow Students
5 Years of Graphic Design at the Staatliche Hochschule für Gestaltung Karlsruhe

Published by Hatje Cantz Verlag.