[2] Geismar studied concurrently at the Rhode Island School of Design and Brown University.
He received a master's degree in graphic design from Yale University, School of Art and Architecture.
[2][5] In 1960, he proposed a radical mark for Chase Manhattan Bank which was the repetition of four shapes around a square to form an octagon.
[6] His designs for Xerox, Chase Manhattan Bank, Best Products, Gemini Consulting, PBS, Univision, Rockefeller Center and, most notably, Mobil (1964) have received worldwide acclaim.
Geismar has also had major responsibility for many of the firm's exhibition designs and world's fair pavilions.