Born in San Francisco, California, October 17, 1925. Educated in San Francisco, The University of Utah, 1943; School of Engineering, Salt Lake City, Pasadena City College, California, 1946-48; University of Southern California, Los Angeles, 1948-52, B.Arch. 1952. Served in the United States Army as a Flash-Ranging Observer in Europe, 1943-46. Apprenticed in the offices of Raphael Soriano; Edward Fickett; Kistner, Wright and Wright; Jones and Emmons. Built his first architecturally exposed steel and glass house while a third year architectural student at USC in 1950. He has been in private practice since graduation in 1952. After designing a number of exposed steel and glass houses, Koenig was invited by John Entenza, editor of Arts & Architecture magazine, to design Case Study House No. 21. With the successful completion of that project Koenig designed Case Study House No. 22, which turned out to be one of the most famous houses of all.