1938–41: studies at the Akademie für Graphische Künste und Buchgewerbe in Leipzig. 1942–49: designer for the publishers Almqvist & Wiksell, the University of Uppsala press. From 1950 onwards: designer for the publishers P. A. Norstedt & Söner. Besides book designs, Forsberg has designed stamps and produced magazines and stamps. 1954: a bible is published with reproductions of drawings, etchings and paintings by Rembrandt, designed by Forsberg and set in his Berling typeface. 1983: is awarded an honorary doctorate by the University of Uppsala.
Fonts: Parad (1936), Lunda (1938), Berling™ (1951–58), Carolus (1954), Ericus (undated), Berling™ Nova (2004).
* TYPOGRAPHY – An Encyclopedic Survey of Type Design and Techniques Throughout History by Friedrich Friedl, Nicolaus Ott (Editor), Bernard Stein, published by Könemann Verlagsgesellschaft mbH.