Prairie school architecture originated in the midwestern United States at the beginning of the 20th century, primarily as the invention of architect Frank Lloyd Wright. The style has roots in the Arts and Crafts movement of the late 19th century, sharing an emphasis on organic forms and earthy materials.

Prairie school buildings tend to use strong horizontal lines, on the theory that buildings should fit into nature by following the lines of the ground. Common characteristics include overhanging eaves, long rows of windows, flowing interior spaces, and interlocking forms.

Approximate Dates: 1895 to 1930