Catalog of an exhibition held at the Museum Folkwang, Deutsches Plakatmuseum, Essen, September 28, 2013-January 26, 2014.

Includes bibliographical references and index.

Introduction. From the logo to digital communication design / Torsten Bröhan -- From book to poster. The search for a modern form of surface design : Wilhelm Deffke's training in Wuppertal / Gerda Breuer -- Developing talents : Wilhelm Deffke's early years in Berlin (1909-1914) / Susanne Engelhard -- Deffke and the Werkbund / Christopher Oestereich -- Wilhelm Deffke's posters / René Grohnert -- From logo to corporate design. From Wilhelmwerk (1915-1920) to Internatio (1920-1933) : The Wilhelm Deffke and Carl Ernst Hinkefuss Advertising Studios / Roland Jaeger -- The book Handelsmarken und Fabrikzeichen / Ute Brüning -- Avant garde vs. avant garde : questioning historiography on the basis of Wilhelm Deffke's designs for the Wuppertal coat of arms / Julia Meer -- Why a Deffke trademark? : Deffke's logos 1934-1950 / Christoph Janik -- From advertising to architecture. The anonymous creator of a famous company logo : Deffke's signet for the cigarette manufacturer Reemtsma / Roland Jaeger, Peter Nils Dorén -- Deffke and Manoli / Susanne Engelhard, Christoph Janik -- The total work of advertising Rückforth : from signet to trade fair stand : Wilhelm Deffke and the Rückforth AG 1921-1924 / Susanne Engelhard, Christoph Janik -- From architecture to teaching. Wilhelm Deffke's glass trade fair stand for the Tesma Cigarette Factory, Berlin / Susanne Engelhard, Christoph Janik -- Wilhelm Deffke as an Architekt / Karin Lelonek -- The utopian Project M : Wilhelm Deffke and the Magdeburg / Norbert Eisold -- Biography and appendix. Wilhelm Deffke : biography / Christoph Janik -- Catalogue of illustrations -- Deffke client directory -- Deffke bibliography / Burkhard Sülzen -- Selected bibliography.