In the mid-1980s, while viewing permanent architectural collection models at the Museum of Modern Art in New York City, I was surprised to encounter a contemporary custom home in Scottsdale: the 1948 Louis C. Upton Residence. The design seemed reminiscent of Frank Lloyd Wright’s organic approach to architecture, but was the work of Robert “Paul” Schweikher (of Schweikher and Elting), an architect I didn’t know at the time. The Upton Residence was located at 353 East Camelback