The design firm headed by Ivan Chermayeff, Tom Geismar, and Sagi Haviv specializing in visual identity and brand design, art in architecture, motion graphics and exhibit design. Responsible for hundreds of the most famous trademarks in the world such as Mobil Oil, Chase bank, PBS, Viacom, Showtime, National Geographic, NBC, Barneys New York, Univision, Xerox, Cornell and Brown universities, Museum of Modern Art, and many more.
WGBH

An effective identity does not necessarily require a single symbolic image. For over 30 years this dimensional letter concept and related dimensional station call numbers have served as a theme to identify WGBH, the Boston-based PBS outlet and producer of many of public television's most outstanding programs.