The NBC peacock, the PBS "everyman," the Chase Bank octagon, and hundreds of other outstanding trademarks have been created by one design firm, Chermayeff & Geismar Inc. Their logos and identity programs for high-profile corporations such as Mobil, Time Warner, Viacom, and Xerox, and for preeminent institutions such as the New York Public Library, Alvin Ailey Dance, the Smithsonian Institution, and the Museum of Modern Art, are instantly recognizable...