Arthur Cotton Moore

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Arthur Cotton Moore (April 12, 1935 – September 4, 2022)^[1] was an American architect who was notable for the restoration of Washington Harbour and modernization of the Thomas Jefferson Building.^[2]

Moore began his professional practice in 1965 and was best known for expanding the purview of the country’s nascent Preservation Movement, from the restoration of historic manor houses to re-purposing urban industrial structures. His first project––Canal Square, in Washington D.C.’s Georgetown neighborhood––was the earliest recognized manifestation of combining an old mercantile building with major new construction.

Moore was also known for the Washington Harbour development on the Potomac River in Georgetown, Washington, D.C., the Goh Annex of the Phillips Collection also in Washington, D.C., and the renovation and modernization of the Thomas Jefferson and John Adams buildings of the Library of Congress, the Old Post Office building on Pennsylvania Avenue, and the renovation of Washington D.C.'s tallest residential building, the Cairo Hotel.^[3]