Park Hill put into practice some of the architectural theories that were circulating in the 1950s. Its architects, Jack Lynn and Ivor Smith, were young idealists, enamoured of Le Corbusier’s modernist Unité d’Habitation and his views on the social power of architecture. The idea was to keep the existing social structure intact, but transpose it into “streets in the sky”. For example, rows were named after the terraces they replaced and the decks were wide enough for milk floats and socializing. The design incorporated four pubs, a school, play areas and around thirty shops – it catered to the needs of a healthy society, all in one place. Like so many utopian visions, however, the dream didn’t last.