Peter Muller-Munk Associates (known as PMMA) was an American industrial-design firm that flourished in Pittsburgh under the direction of its charismatic name partner.
Notably, U.S. Steel hired PMMA to work on the general aesthetic design for the Unisphere, the theme center of the 1964 New York World's Fair.
[1][2] The company's founder was born Klaus-Peter Wilhelm Müller[3] on June 25, 1904, in a wealthy suburb of Berlin, in present-day Germany.
[5] He moved to Pittsburgh in 1935[6] to accept a job at the Carnegie Institute of Technology as assistant professor in the first American university baccalaureate degree program in industrial design.
[8] PMMA's client list spanned the globe; local ones included the Pittsburgh Plate Glass Company, Westinghouse, and U.S.