Together with his compatriot Werner Schindler, Swiss architect Edy Knupfer won a silver medal at the 1948 London Olympic Games in the architecture, designs for town planning category of the Arts Competitions, for their work Projekt ETS Magglingen, Eidgenössische Turn- und Sportschule (Swiss Federal Sports and Gymnastics Training Centre ETS Magglingen) in the canton of Bern. The construction started in 1946, while the first section with the buildings by Knupfer and Schindler was completed in 1949. Knupfer lived and worked in Zürich. During the 1950s and 1960s he was engaged in the planning of a project for a sports and green area on the Emmersberg near Schaffhausen.