Abstract: This article provides a chronological history of low-income tax clinics in the United States from their inception in 1974 to the present. It discusses leaders in the tax clinic movement such as Stuart Filler, Janet Spragens and Nina Olson and their impact on the growth of tax clinics. In addition to individual leaders, several institutions played significant roles in shaping the development of tax clinics. Tax clinics developed parallel to and then in conjunction with legal service corporation offices and academic clinics. The article discusses the growth of tax clinics within the broader growth of poverty law and the academic clinical movement. Finally, it looks at the challenges that lie ahead for tax clinics.