Unwin, Sir Raymond (ŭnˈwĭn) [key], 1863–1940, English architect and town planner. He designed the first English garden city near Letchworth, the New Earwick development in Yorkshire, and Hampstead Garden near London. He lectured on housing and city planning at the Univ. of Birmingham (1911–14) and Columbia Univ. (1936–40). His Town Planning in Practice (1909) is a classic work in its field. Unwin was knighted in 1932.