Walker, Thomas Ustick

Walker, Thomas Ustick

(1804–1887)
American architect of German descent; pupil of William Strickland and John Haviland; the second president of the American Institute of Architects. Work includes the U.S. Capitol, Washington, DC. The Grand College for Orphans was his most notable work. He also worked on John McArthur’s design for the Philadelphia City Hall, PA.