The Isokon Flats, completed in 1934 by Wells Coates, were conceived as a social and architectural experiment, aiming to make a modern, urban way of life possible. The initiators (the clients) lived in the penthouse, and had a predilection for occupants who were artists or writers; among them were Walter Gropius, Marcel Breuer, Lázló Maholy-Nagy and Agatha Christie. The building...