1918–22: studies at the Kunstgewerbeschule in Zurich. 1923–25: graphic artist for Wilhelm Deffke in Berlin. 1925–26: graphic artist for Ol H. W. Hadank in Berlin. 1926–32: teacher of type and graphics at the Kunstgewerbeschule Magdeburg. 1932_53: has a graphics studio in Basle with his brothers Reinhold and Willy. 1937: works on the Swiss pavilion for the world exhibition in Paris. 1940–43: teaches at the Allgemeine Gewerbeschule in Basle. 1953–55: teaches at the Werkkunstschule and at the Technische Hochschule in Braunschweig. 1955–67: art director and advertising consultant for the Reemtsma company in Hamburg. Eidenbenz designed numerous posters, logos, and also bank notes for Switzerland and Germany.
Fonts: Clarendon® (1953).
* TYPOGRAPHY – An Encyclopedic Survey of Type Design and Techniques Throughout History by Friedrich Friedl, Nicolaus Ott (Editor), Bernard Stein, published by Könemann Verlagsgesellschaft mbH.