Gerd Alfred Müller (1932 in Frankfurt am Main — December 6, 1991) was a German industrial designer.
In 1952, Müller began attending the Werkkunstschule Wiesbaden.
Some of his notable designs for Braun include the KM 3 kitchen machine,[3] the SM 3 razor, and the PC 3 record player (with Dieter Rams and Wilhelm Wagenfeld).
[4] After his departure from Braun in 1960, Müller began working as a freelance industrial and graphic designer.
He also developed the CP1, Twin, ST, and Unic models for Lamy.