Stephen Lapthisophon is an American artist and educator working in the field of conceptual art, critical theory, and disability studies. Lapthisophon received his MFA from the School of the Art Institute of Chicago in 1979. His early work combined poetry, performance, sound art, and visual arts with postmodern philosophical concerns. He is also influenced by the legacy of the Situationists, who sought to make everyday life a focus of artistic activity.