The Joel M. Pritchard Building at the Washington State Capitol campus in Olympia was built in 1957–1958 to house the Washington State Library, which had outgrown its previous location in the basement of the Washington Supreme Court's Temple of Justice. The building's architect, Paul Thiry who also designed the Century 21 Exposition complex in Seattle, used Modern design incorporating the Wilkeson sandstone quarried a few tens of miles away and used in the state capitol and other buildings. It was the last monumental building added to the capitol campus and one of the few departures from the Olmsted Brothers' 1928 campus plan. It was described as "among the most important regional archetypes of mid-century architectural design and thought...a textbook on how Washingtonians looked at the fut