Which Frank Lloyd Wright house between the 1950's and 60's is the largest of the Usonian Automatics built: Theodore A. Pappas House, or Gerald B. and Beverley Tonkens House?
Theodore A. Pappas House:  Wright designed it between 1955 and 1959 at the Pappas’ request, and Theodore and Bette Pappas built the house together with the help of day laborers between 1960 and 1964. Theodore A. Pappas House:  The Pappas house is a rambling four-bedroom house, and after the Gerald B. and Beverley Tonkens House, is the largest of the Usonian Automatics built.
i don't know