Marshall Elliott Carroll, FAIA, earned bachelor and master of architecture from Harvard University. He served as a submarine officer in the U.S. Navy during World War II and the Korean War, and continued to serve as an officer in the U.S. Naval Reserve until 1973. He practiced architecture in North Carolina before moving to Washington, D.C., in 1960 to join the executive staff of the American Institute of Architects, where he served as deputy executive vice president. He was a partner in the architectural practice of Vincent G. Kling & Partners of Philadelphia and served as executive assistant to the Architect of the Capitol from 1973 to 1988, where he was responsible for several major preservation projects, including the master plan for the Capitol from 1976 to 1981.