In 1956, TIME magazine called him one of the defining "form-givers of the 20th century." Today, Marcel Breuer (1902–1981) remains a locus classicus of modernism for architects and designers alike. In this essential introductory monograph, we survey Breuer's complete career through some of his most influential projects and ideas, from his landmark tubular furniture to the MoMA Research House to his innovation of "binuclear" housing, splitting living and sleeping areas into separate wings.