This document provides an overview of several key theorists relevant to postcolonial studies and colonial discourse theory, including Friedrich Nietzsche, Louis Althusser, Jacques Lacan, Michel Foucault, Edward Said, Gayatri Spivak, and Homi Bhabha. It summarizes some of their main ideas, such as Nietzsche's critique of history and the subject, Althusser's concepts of ideology and interpellation, Lacan's stages of subject formation, Foucault's theories of power, knowledge, and resistance, Said's concept of Orientalism, and Bhabha's ideas around colonial hybridity and mimicry.