Robert Charles Venturi, Jr. (born June 25, 1925) is an American architect, founding principal of the firm Venturi, Scott Brown and Associates, and one of the major architectural figures in the twentieth century. Together with his wife and partner, Denise Scott Brown, he helped to shape the way that architects, planners and students experience and think about architecture and the American built environment. Their buildings, planning, theoretical writings, and teaching have also contributed to the expansion of discourse about architecture.