DONALD LANGMEAD is Professor of Architectural History at the University of South Australia. His previous books concerning modern architecture include Makers of 20th Century Modern Architecture (Greenwood, 1997), coauthored with Donald Leslie Johnson, Willem Marinus Dudok, A Dutch Modernist (Greenwood, 1996), Dutch Modernism (Greenwood, 1996), and J.J.P. Oud and the International Style (Greenwood, 1999).DONALD LESLIE JOHNSON is an American scholar who studied in the masters class of Louis Kahn. He is an Adjunct Associate Professor at the University of South Australia. He founded the Architectural Studies Program at Flinders University in Adelaide, South Australia and the Architecture Archives, of which he is Director, at the University of South Australia. Along with Donald Langmead he coauthored Makers of 20th Century Modern Architecture (Greenwood, 1997). His other works on Wright include Frank Lloyd Wright Versus America: The 1930s (1990).