J. A. Stein was an American architect and a major figure in the establishment of a regional modern architecture in the San Francisco Bay area in the 1940s and 1950s during the early days of the environmental design movement. In 1952, he moved to India and in 1955 was tasked with the planning of Durgapur in West Bengal, India along with Benjamin Polk. He is noted for designing several important buildings in India, most notably around Lodhi Estate in Central Delhi.