Swiss architect. He studied architecture at the Eidgenössiche Technische Hochschule (ETH) in Zurich, graduating in 1926. He then worked with Le Corbusier on the League of Nations project and the apartment buildings for the Weissenhof Siedlung in Stuttgart. In the early 1930s, he and his cousin, Emil, along with Breuer, designed the Doldertal Apartment buildings for Sigfried Giedion. A few years later he authored a book called “Die neue Architektur,” which included several Breuer projects. Later in his career, he edited the magazine Werk and acted as chairman of the Swiss Werkbund from 1955 to 1964. He also taught at a number of universities in the United States and Switzerland, including Harvard and the ETH.