Petra Schönemann-Behrens provides an informative review of the life and times of Alfred H. Fried (1864-1921), a significant if underappreciated German pacifist of the late nineteenth century and early twentieth century. In response to the militarism and international anarchy of the European states, Fried developed his unique notion of “revolutionary” or “scientific” pacifism, differentiating it from reform pacifism, in order to address the material causes of war. As theorist, practitioner, and journalist, Fried advanced radical ideas at the time: the formation of a pan-European union, the establishment of an effective international court of arbitration, the elimination of a secretive diplomatic class, and the expansion of international economic and cultural cooperation. This book is a translation of the German biography Alfred H. Fried: Friedensaktivist – Nobelpreisträger, published by Römerhof Verlag in 2011, and commemorates the 100th anniversary of Fried’s death.