«Von B und C» is a cooperation between Barbara Hahn (B) and Christine Zimmermann (C), who have been collaborating on and realizing projects in the area of communication design since 2004.

In February 2008, B and C founded their own studio «Hahn und Zimmermann» in Berne. Within this framework, they work on projects in the areas communication design, visualization and design research.

In addition, B and C are also operating as creative-scientific associates in the research field «Knowledge Visualization» at the Berne University of the Arts since 2007.