The Mildred and Abel Fagen House is a historic house at 1711 Devonshire Lane in Lake Forest, Illinois. The house was built in 1948 for Mildred Fagen, a patron and leader in the local arts community, and her husband Abel, a textile broker. Prominent Modern Movement architects Keck & Keck designed the house, which was heavily influenced by Frank Lloyd Wright's Usonian work. The one-story house has a flat roof with overhanging eaves, giving it a horizontal emphasis that reflects the area's flat landscape. The house's use of natural materials such as wood, glass, and limestone and its lack of ornamental features continue the emphasis on blending in with its surroundings. The interior design includes a low-ceilinged foyer leading to a larger dining room, stone fireplaces used as focal points, a