Pierre Mendell (1929 — 2008) was a graphic designer that studied design under Armin Hofmann at the Schule für Gestaltung in Basel and later went on to form the Mendell & Oberer studioin 1961 in Munich. Mendell is best known for his work identity work Vitra and Siemens. The MoMA has a small, but great, gallery of some of his work.
