This document provides an overview of the history and development of discourse analysis. It discusses how discourse analysis grew out of various disciplines in the 1960s-1970s and examines language in use, both written and spoken. Major figures and approaches discussed include Zellig Harris, Dell Hymes and sociological perspectives, J.L. Austin and linguistic philosophy, M.A.K. Halliday's functional approach, and conversation analysis traditions in both Britain and America. The document traces how structural, pragmatic, and ethnomethodological influences shaped different traditions of discourse analysis over time.