Mid-century Modern is a term that describes mid–20th century developments in interior, product, and graphic design, architecture, and urban development from roughly 1933 to 1965. The term, employed as a style descriptor as early as the mid-1950s, was reaffirmed in 1983 by Cara Greenberg in the title of her book, Mid-Century Modern: Furniture of the 1950s (Random House), celebrating the style that is now recognized by scholars and museums worldwide as a significant design movement.

The Mid-century modern movement in the U.S. was an American reflection of the International and Bauhaus movements, including the works of Gropius, Florence Knoll, Le Corbusier and Ludwig Mies van der Rohe.[1] Though the American component was slightly more organic in form and less formal than the International Style, it is more firmly related to it than any other. Brazilian and Scandinavian architects were very influential at this time, with a style characterized by clean simplicity and integration with nature.

Like many of Frank Lloyd Wright's designs, Mid-century architecture was frequently employed in residential structures with the goal of bringing modernism into America's post-war suburbs. This style emphasized creating structures with ample windows and open floor plans, with the intention of opening up interior spaces and bringing the outdoors in. Many Mid-century houses utilized then-groundbreaking post and beam architectural design that eliminated bulky support walls in favor of walls seemingly made of glass. Function was as important as form in Mid-century designs, with an emphasis placed specifically on targeting the needs of the average American family.

Pioneering builder and real estate developer Joseph Eichler was instrumental in bringing Mid-Century Modern architecture ("Eichler Homes") to subdivisions in the Los Angeles area and the San Francisco Bay region of California, and select housing developments on the east coast. George Fred Keck, his brother Willam Keck, Henry P. Glass, Ludwig Mies van der Rohe, and Edward Humrich created Mid-Century Modern residences in the Chicago area. Mies van der Rohe's Farnsworth House is extremely difficult to heat or cool, while Keck and Keck were pioneers in the incorporation of passive solar features in their houses to compensate for their large glass windows.