This clear guide will help you understand what is distinctive about Protestant perspectives on who the Holy Spirit is and what the Holy Spirit does in our lives. After an introduction that broadly compares Protestant views on the Holy Spirit with Roman Catholic and Eastern Orthodox models, the understandings of important theologians and figures in Protestant tradition are explored: Martin Luther The Anabaptists (Meno Simons, Balthasar Hubmaier, Conrad Grebe, Jacob Hutter) John Wesley Friedrich Schleiermacher Abraham Kuyper Karl Barth And then living theologians such as Jurgen Moltmann, Wolfhart Pannenberg, Clark Pinnock, and Michael Welker.