Tweet “Beginning in the early 1930’s, Chicago architects Fred and William Keck began a decade-long investigation of south-facing windows in residences that became the first to be called ‘solar houses’.  During this same period, two internationally reknowned modern architects, Walter Gropius and Marcel Breur, both applied climatic analysis as major design determinants, as evidenced by generous south-facing and properly shaded windows.  Frank Lloyd Wright in his Usonian house designs in Wisconsin and simultaneously in his design of Taliesen West in Arizona, all executed in the late 1930s, ingeniously and appropriately applied climatic design elements to diverse and contrasting climates, giving…