Frank Lloyd Wright (American architect, 1867-1959) American 1942-1959 (creation) Partial view of exterior showing connection between the original museum and the 1992 limestone tower addition designed by Gwathmey Siegel & Associates Architects New York, New York, United States Precast concrete blocks © Javier Gomez Javier Gomez 35 mm slides Modernist Architecture and City Planning Solomon R. Guggenheim Museum museums