The Frank W. Thomas House is located in the Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

 suburb of Oak Park

Oak Park, Illinois

Oak Park, Illinois is a suburb bordering the west side of the city of Chicago in Cook County, Illinois, United States. It is the twenty-fifth largest municipality in Illinois. Oak Park has easy access to downtown Chicago due to public transportation such as the Chicago 'L' Blue and Green lines,...

, Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The building was designed by architect Frank Lloyd Wright

Frank Lloyd Wright

Frank Lloyd Wright was an American architect, interior designer, writer and educator, who designed more than 1,000 structures and completed 500 works. Wright believed in designing structures which were in harmony with humanity and its environment, a philosophy he called organic architecture...

 in 1901 and cast in the Wright-developed Prairie School of Architecture. By Wright's own definition, this was the first of the Prairie houses - the rooms are elevated, and there is no basement. On September 14, 1972 the Frank Thomas House was added to the U.S. National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

.