Co-founder of the American Society of Planners and Architects, as well as many other architectural societies. He also worked as an industrial designer and writer. He designed Gilbey House for the famed gin distiller.
He became a British citizen in 1928; he shared a brief partnership with notable German architect Erich Mendelsohn in 1930. His contributions to the British modernist movement included the De La Warr Pavilion, Cohen House, and Shann House.
He co-wrote several books on architecture, including 'Community and Privacy' with Christopher Alexander and 'The Shape of Community' with Alexander Tzonis.
He was born into an upper-class Jewish family. They relocated to England when he was still young. His son, Ivan, became a graphic designer, and his son, Peter, became an architect.
He taught at Harvard University, where actress Natalie Portman studied.