Heurtley House, 1902, general view from northeast, depicting west (back) façade; Frank Lloyd Wright was a 22 year old architect in 1889 when he started work on his Home and Studio on Chicago Avenue in Oak Park. During Wright's 20 years in Oak Park, he designed dozens of structures in Oak Park and River Forest. In 1901 Wright published a project for 'A Home in a Prairie Town' (Ladies' Home J., xviii/3, Feb 1901, p. 17); it was characterized by continuous hip roofs of low pitch extended to cover the carriage entrance, a continuous screen or frieze of casement windows, and a wall and base course below them. Together these gave the design a horizontal character, which Wright likened to the level character of the Midwestern prairie. The houses a...