Painter in oil and watercolour and draughtsman, educated at Westminster and New College, Oxford, who was a partner in Stephenson Harwood, solicitors, 1935–1973. Lousada was a member of the council of the Royal College of Art, 1952–79, chairman, 1972–9; a trustee of the Tate Gallery, 1962–9, chairman, 1967–9; and was knighted in 1975. Exhibited with the Law Society, winning first prize in 1967, with the Contemporary Art Society in the 1980s, had two solo exhibitions at the Covent Garden Gallery, 1977 and 1979, and held a yearly open studio in Chiswick, 1980–91. His drawings and watercolours of the World War II Blitz are in the Museum of London, Victoria & Albert Museum and Imperial War Museum.