This document discusses four important postmodernist theorists - Fredric Jameson, Jean Baudrillard, Jean-Francios Lyotard, and Theodore Adorno. It provides brief biographies of each theorist, noting that Jameson analyzed postmodernism from a Marxist perspective on capitalism, Baudrillard developed concepts of simulacra and hyperreality, Lyotard wrote on postmodernism and the human condition, and Adorno was critical of modernism with ideas shared by postmodernists.