Patrick J. Houlihan is Assistant Professor (tenured) of History at Trinity College Dublin, specializing in 20th century European and International History. Patrick's interests are classical and contemporary issues including the ideology of war and peace. He has done archival research in 7 countries and presented invited talks (and keynote lectures) around the world. Previously he taught at the University of Oxford and the University of Chicago. While working at universities, he has spoken to various public audiences including underprivileged high school students and elementary school children. His previous book, _Catholicism and the Great War: Religion and Everyday Life in Germany and Austria-Hungary, 1914-1922_ (Cambridge: Cambridge University Press, 2015) was awarded the Fraenkel Prize of the Wiener Library. His publications include articles in _Past and Present_, _First World War Studies_, and _Central European History_. His most recent book is _Religious Humanitarianism during the World Wars, 1914-1945: Between Atheism and Messianism_ (Cambridge: Cambridge University Press, 2024). In 2011, he obtained his PhD in History from the University of Chicago with a dissertation entitled "Clergy in the Trenches: Catholic Military Chaplains of Germany and Austria-Hungary during the First World War." Read more about this authorRead less about this author