Biographical Note for George S. Koyl and Moira B. Mathieson
George S. Koyl was born February 8, 1885, in Evanston, Wyoming. He studied architecture at the University of Pennsylvania and the American Academy in Rome. He worked as an architect in Colorado and New York, and later opened up his own independent firm. He then partnered with the firm Rich, Mathesius & Koyl in 1929. He left the firm in 1932 to work as the Dean of the School of Fine Arts at the University of Pennsylvania. He retired in 1950 and worked as a professor of architecture until 1955. Koyl was the president of the American Institute of Architects (AIA) chapter in Pennsylvania from 1943 to 1944 and served on its executive committee from 1943 to 1946.
Moira B. Mathieson was born around 1924. She became a freelance writer and editor after a career in architecture and art history. From 1963 to 1969, she was the Head of Architectural Drawings Project, Department of Civil History at the Smithsonian Institution. Together, Koyl and Mathieson compiled and edited American Architectural Drawings: a Catalog of Original and Measured Drawings of Buildings of the United States of America to December 31, 1917 (1969), which was funded by a Kress Foundation grant and prepared and published through the Philadelphia Chapter of the AIA.