Elain Harwood was a historian with Historic England, and author of Space Hope and Brutalism, England’s Post-War Listed Buildings and Art Deco Britain. She gave lectures and led tours for the C20 Society, and has published Chamberlin, Powell and Bon in association with them, HE and the RIBA, and 100 Buildings/Houses/Churches/Landscapes, 100 Years in association with Batsford.