John Hayter MacFadyen; Designed Top Concert Halls

John Hayter MacFadyen, 76, an architect who designed many of the nation’s finest performing arts venues including the Mann Music Center in Philadelphia and the Wolf Trap Center for the Arts outside Washington, D.C. Born in Duluth, Minn., MacFadyen graduated from Princeton University and earned his master of architecture degree there in 1949. MacFadyen served with the U.S. occupying forces in Japan after World War II. After his military service, MacFadyen joined the staff of the Harrison and Abromowitz architecture firm in New York. While on staff there, he was a fellow in residence at the American Academy in Rome. In 1960, New York Gov. Nelson A. Rockefeller selected MacFadyen to be founding executive director of the New York State Council on the Arts. He left that post in 1964 to become executive director of the Associated Councils on the Arts, a national organization of arts councils at the state and local level. From 1964 until his retirement in 1986, MacFadyen maintained a private practice in architecture, with a focus on performing arts facilities and residential projects. In addition to the Mann Music Center and Wolf Trap, MacFadyen designed the Saratoga Center for the Performing Arts in Saratoga Springs, N.Y. On Feb. 18 of pneumonia at a hospital near Damariscotta, Me., where he lived.