Distinguished Professor of History of Art and Architecture at the University of Pittsburgh (retired) and resident of Squirrel Hill, died on Monday, April 19, 2021. Beloved husband of Ellen. Dear Father of Sarah, Mackie, and Jeffrey (Tarah). Grandfather of Ayden, Franklin, Sylvia, Cameron, Dexter, and Mason. Brother of Charlotte Guttman and the late William Toker. Franklin was the author of 10 Books including and most notably, 'Fallingwater Rising' and 'Pittsburgh: A New Portrait'. Graveside Service at Beth Shalom Cemetery. Contributions may be made to: Dept. of History of Art & Architecture, Frick Fine Arts Bldg., University of Pgh., Pittsburgh, PA 15260. www.slater funeral.com