[5] He worked for Allen and Kenway in Boston in 1889 and for McKim, Mead and White in 1890.
[5] Stevens became a member of the Province of Quebec Association of Architects in 1914 and a Fellow of the American Institute of Architects in 1923[5] During World War I he was a civilian specialist with the Army Engineers designing of hospitals abroad.
[5] After the war he served on a special committee tasked with revising the design of U.S. Army hospitals.
He authored books on institutional design including The American Hospital of the Twentieth Century.
Frederick Clare Lee studied at Yale University and the Ecole des Beaux-Arts, Paris (1897–1902).