Rem Koolhaas is founder of the Office for Metropolitan Architecture (O.M.A.); the firm's most important projects include the Lille Grand Palais in Lille; the Kunsthal in Rotterdam; Netherlands Dance Theatre in The Hague; Nexus Housing in Fukuoka; the Dutch House in Holland; and Villa dall'Ava in Paris, all of which are included in S,M,L,XL. Koolhaas is author of the seminal Delirious New York and professor in practice of architecture and urban design at the Harvard Graduate School of Design.
Bruce Mau founded the critically acclaimed firm Bruce Mau Design in 1985. He is the author of Life Style and Massive Change.