Alan Weintraub is an architectural photographer whose recent work includes Bay Area Style. Alan Hess is an architectural writer and author of Rizzoli's The Architecture of John Lautner. Kenneth Frampton is Ware Professor of Architecture at Columbia University's Graduate School of Architecture, Planning, and Preservation. Thomas S. Hines is Professor of History and Architecture at UCLA. Bruce Brooks Pfeiffer is Director of the Frank Lloyd Wright Archives at the Frank Lloyd Wright Foundation. Kathryn Smith is an architecture historian, preservation consultant, author and lecturer. Margo Stipe is Registrar of the Frank Lloyd Wright Archives at the Frank Lloyd Wright Foundation. Eric Lloyd Wright, great grandson of Frank Lloyd Wright, is an architect based in California.