Painter of "primitive art" canvases and a commercial artist, noted for the design of books, calendars, diplomas and posters. Geyer worked as an in-house designer for the Zsolnay publishing house and, from 1942 to 1945, he taught at Graphischen Lehr- und Versuchsanstalt in Vienna. His known typographic design work is confined to a single typeface, Weiner Grotesk, released by H Berthold AG of Berlin in 1912.