This document provides biographical timelines and summaries of key concepts for Jacques Lacan and Luce Irigaray. Lacan was a French psychoanalyst who developed theories around the mirror stage, the symbolic order, and the three orders of human reality. Irigaray was a Belgian feminist philosopher and psychoanalyst who critiqued Lacan and developed concepts of the feminine gaze, écriture féminine, and psychoanalytic feminism.