This thesis analyzes technical and stylistic aspects of Mark di Suvero's nineteen sixties found-object works, and his monumental I-beam sculptures of the nineteen seventies and eighties to demonstrate their consistency despite the apparent contrasts in form, materials, and process. Primary data, sculpture of Mark di Suvero. Secondary data obtained from major art periodicals, newspapers, and exhibition catalogs. The artist was interviewed by author at the retrospective exhibition in Nice, France, Septermber, 17, 1991. Examination of primary and secondary data reveals a strong continuity by the artist in his approach to his work despite obvious external changes in materials and process.