The Paul and Jean Hanna House, Stanford, CA, 1938 (J. Quinan) I first became aware of Paul and Jean Hanna at a conference titled "An American Architecture," held in conjunction with an exhibition mounted by Brian Spencer at the Milwaukee Art Center in 1978. (Attendees included Lloyd Wright, Edgar Kaufmann, Jr., Bruce Goff, Herb Greene, Edgar Tafel, and a host of historians) The Hannas spoke about building their Frank Lloyd Wright-designed house in Palo Alto in 1938. Little did I know that…