The World of William Thomas, Glamorgan History Society, Cardiff, Wales, May 1980


The Long Resistance: The Enemies of Positivism 1890-1950, Delivered (on my behalf) to the Academy of Criminal Justice Sciences, Louisville, KY, March 1982


Traven and the Wobblies, Conference on B. Traven, University Park, PA, October 1982


Miami and Liverpool Compared: The New Pattern of Urban Riot (with Fred Hutchings). American Society of Criminology, Toronto, November 1982


History and Myth in Organized Crime (with Gary W. Potter). Academy of Criminal Justice Sciences, Chicago, IL, March 1984


Correctional Issues and Politics, Delivered (on my behalf) to the American Correctional Association, San Antonio, TX, August 1984


The Invention of the Mafia (with Gary W. Potter). Social History Colloquium, University Park, PA, October 1984


Organizing Crime in London and Philadelphia (with Gary W. Potter). American Society of Criminology, Cincinnati, OH, November 1984 (Also chaired panel)


Criminality and Genetics, Behavior Genetics Association, University Park, PA, June 1985


I was an invited participant in the conference on The Social World of Britain and America 1600-1800, Institute for Early American History and Culture, Williamsburg, VA, September 1985


Capital Punishment in Early Modern England, Delivered (on my behalf) to the American Society of Criminology, San Diego, CA, November 1985


Beccaria's Influence in England 1764-1830, American Society of Eighteenth Century Studies, Williamsburg, VA, March 1986


G. K. Chesterton as Criminologist, Chesterton Society, Toronto, Canada, September 1986


Benefit of Law: The Defense of Legal Values During a Moral Panic (with Daniel Katkin). American Society of Criminology, Montreal, November 1987


An American Epidemic? Myths and Realities of Serial Murder, Geography Department Coffee Hour, Pennsylvania State University, October 1988


The Assassination of Olof Palme, American Society of Criminology, Chicago, IL, November 1988


Serial Murder in Progressive Era America, American Society of Criminology, Chicago, IL, November 1988


The Politics of Organized Crime in Australia, Academy of Criminal Justice Sciences, Washington, DC, March 1989


Issues in Serial Murder Research, Participant in round table at the Academy of Criminal Justice Sciences, Washington, DC, March 1989


Group Serial Murder, Delivered (on my behalf) to the American Society of Criminology, Reno, NV, November 1989


`Occult Criminality': Myth and Reality in a Contemporary Moral Panic (with Daniel Maier-Katkin). American Society of Criminology, Baltimore, MD, November 1990. Also chaired a panel at this meeting on Historical Perspectives on Crime and the Media


Narcotics Trafficking and the American Mafia: The Myth of Abstention, Conference on The Drug War. University Park, PA, May 1991


From Eye Witness to Private Eye: The Tradition of Exposé Journalism, Chesterton Society Conference on G.K. Chesterton and Journalism, Toronto, Canada, September 1991


Bricks in the Wall, International conference on The Wall: Reality and Symbol. University Park, PA, October 1991


The Myth of Satanism: Legend as Literary Artefact, Comparative Literature lunch seminar, Penn State University, February 1992


Iraq and State Terrorism, Academy of Criminal Justice Sciences, Pittsburgh, PA, March 1992


The Social Construction of a Multiple Homicide Problem: The Case of Contemporary Britain, Academy of Criminal Justice Sciences, Pittsburgh, PA, March 1992


A Historical Perspective on Serial Murder: England, Germany and the USA, 1900-1940, International Conference on Mass and Serial Murder: Theory, Research, Policy, University of Windsor, Ontario, Canada, April 1992


African-Americans and Serial Homicide, North-Eastern Academy of Criminal Justice Sciences, Newport, RI, June 1992


Using Murder: The Politics and Rhetoric of Serial Murder, Eastern Communications Association, Rhetoric and Public Interest Group, Fall Conference. Penn State Campus, Hazleton, PA, October 1992


Anti-Semitic Stereotypes in the Victorian Novel, Inaugural Conference of the Center for Research on Antisemitism, University Park, PA, March 1993


The CTA Case: A Case-Study in Political Corruption, Pennsylvania Political Science Association, University Park, PA, April 1993


Racial Bias in the Construction of Drug Panics, Pennsylvania Association of Criminal Justice Educators, Harrisburg, PA, April 1993


Peace with Justice? Peacemaking and Reconciliation in Terrorist Crises, North-Eastern Academy of Criminal Justice Sciences, Newport, RI, June 1993


Definition and Identity: Political Culture in Seventeenth Century Wales, Trevelyan Fund Colloquium, Cambridge, England, July 1993


The Anglican Church and the Unity of Britain, Delivered (on my behalf) to the conference on Conquest and Union: Forging a Multi-National British State 1485-1707, University College, Galway, Ireland, September 1993


Public Disorder and Political Stability in Europe 1968-1993, Conference on No Justice, No Peace? Crime, Culture and Ethnic Conflict in Germany and the United States, (Max Kade Foundation for Research in German-American Studies), University Park, PA, September 1993


The Devil Rides In: Charismatic Christians and the Depiction of a Satanic Menace in Contemporary Great Britain Delivered (on my behalf) to the Eastern Regional Meeting of the American Academy of Religion, Montreal, Canada, April 1994.


Designer Drugs: Sitting Out the War on Drugs? Pennsylvania Association of Criminal Justice Educators, Harrisburg, PA, April 1994


The Next Panic? Predicting the Social Fears of the New Century, North-Eastern Academy of Criminal Justice Sciences, Newport, RI, June 1994


Feminism, or Chesterton’s Mistake About Women, Chesterton Society, Toronto, Canada, September 1994


Fascist and Ultra-Right Movements in Pennsylvania 1934-1942, Pennsylvania Historical Association, Lebanon, PA, October 1994


The Legal Dimension in Constructing Social Problems, Pennsylvania Sociological Society, State College, PA, October 1994


The Anglican Church and the Making of Welsh Identity 1630-1720, Midwestern Conference on British Studies, Toronto, Canada, October 1994


Trends and Directions in European Terrorism, Academy of Criminal Justice Sciences, Boston, MA., March 1995


Border Crossers: Material and Symbolic Boundaries in the Cultural Construction of Serial Murder, Popular Culture Association, Philadelphia, PA, April 1995


Pennsylvania’s Terrorist Crisis 1938-1942, Penn State Harrisburg, May 1995


Riot at the YMCA: or, Things We Can’t Say About Pennsylvania History, Pennsylvania Historical and Museum Commission, Harrisburg PA, June 1995.


Designer Drugs, North-Eastern Academy of Criminal Justice Sciences, Roger Williams Law School, Bristol, RI, June 1995


Constructing Aggression: The Demonization of the Serbs in the Balkan Conflict, Symposium on the Balkan War: Yugoslavia - Past and Present. Sponsored by the International Strategic Studies Association: Chicago, IL, August 1995


Interfaith Cooperation in Modern Urban America: A Philadelphia Story, Mid-Atlantic Regional Meeting of the American Academy of Religion, Baltimore, March 1996


I moderated a panel at a conference on Violence in the Workplace held at University Park, PA, March 1996


New Directions in Counter-Terrorism, North-Eastern Academy of Criminal Justice Sciences, Roger Williams Law School, Bristol, RI, June 1996


Armies of God: John Brown and the American Terrorist Tradition, Symposium on John Brown, at the Mont Alto campus of the Pennsylvania State University, July 1996. I also chaired a panel at this meeting on John Brown: Politics and Law


The Social Construction of Gay Teen Suicide, Society for the Study of Social Problems, New York City, August 15, 1996


Libertines and Homophobes: The Paradox of Anticlerical Pornography, Conference on Early Modern Culture, organized by the Group for Early Modern Cultural Studies, Pittsburgh PA, September 27, 1996


Silver Shirts Among the Brown: The Silver Legion in Pennsylvania 1934-1942 Pennsylvania Historical Association, State College, PA, October 1996


Spousal Abuse Laws, World Congress of Families, Prague, Czech Republic, March 1997


Confronting Hate: Urban Churches and the Christian Front, Conference on The Church and the City, Cleveland, OH, April 1997


Teaching the History of Criminal Justice, North-Eastern Academy of Criminal Justice Sciences, Roger Williams Law School, Bristol, RI, June 1997


Serial Murder Fiction, second Landscapes of Mystery Conference, held at Penn State University, June 1997


Patriots, Militias and the Common Law Courts, American Association of Law Librarians, Baltimore, MD., July 1997


A Self-Limiting Cycle? The Historical Construction of Sex Crime Problems, American Sociological Association, Toronto, August 1997


Constructing the Beast: Catholic Anti-Communism in Pennsylvania 1945-1960, Pennsylvania Historical Association, Philadelphia, PA, November 1997


The Geography of Urban Fascism, Geography Department Coffee Hour, Pennsylvania State University, December 12, 1997


Intended Consequences? Covert Moral Agendas and Crime Control Rhetoric, Academy of Criminal Justice Sciences, Albuquerque, NM, March 1998


The Struggle for Pennsylvania’s Ethnic Organizations, 1940-1954, Faculty Seminar, Balch Institute for Ethnic Studies, Philadelphia, PA, March 1998.


I chaired a panel on Liberty, Identity and the State: Comparing American Extremists, at the meeting of the Organization of American Historians in Indianapolis, IN, April 1998


Where Mystery Ends and Horror Begins, Third Landscapes of Mystery Conference, Penn State University, June 19-21, 1998


Keystone Defenders: The Politics of Civil Defense in Pennsylvania 1940-1960. Second International Conference on the Cold War, Los Alamos, NM, August 1998


The Mullen Case and the Limits of McCarthyism. Pennsylvania Labor History Society, Pittsburgh, PA, September 1998


Teaching Americanism: Anti-Communist Purges in the Pennsylvania Schools 1950-54, Pennsylvania Historical Association, Allentown, PA, October 1998


The Media and Satanic Ritual Abuse: Credulity and Criticism, and The CAT Epidemic: A 1990s Drug Panic, both presented to the American Society of Criminology, Washington DC, November 1998


Popular Apocalyptic: Anti-Communism in Catholic Popular Culture 1940-1960, Popular Culture Association, San Diego, CA, April 1999


Terror on the Web, Pennsylvania Association of Criminal Justice Educators, Altoona, PA, April 1999


I served as discussant on a panel on Making Warriors: Indoctrinating American Soldiers in WWII and the Cold War, Society of Military History, State College, PA, April 1999


The Great Anti-Cult Scare 1925-1945, CESNUR Conference on New Religions, Bryn Athyn, PA, June 1999


Amphetamine Drugs on the Pacific Rim, Conference on Crime and Public Policy on the Pacific Rim, San Francisco, August 1999


The First New Age, Conference on The Inner Light, organized by St. Thomas University, Houston, TX, October 1999


The Old New Panic: The Amphetamine Drugs, American Society of Criminology, Toronto, November 1999


To What Green Altar? The Myth of American Paganism 1920-1945, South-West/Texas Popular Culture Association, Albuquerque, NM, February 2000


The Wildest Frontier: The Electronic Market in Child Pornography, University of California, Davis, lecture in series on Disordering Globalization, February, 2000


The First American Satanism Scare 1920-1940, Mid-Atlantic regional meetings of the American Academy of Religion, Glen Mills PA, March 2000


The Outer Edges: Horror and the Media in the Late 1940s Popular Culture Association, New Orleans, LA, April 2000


The New Age in Black and White, Western Social Sciences Association, San Diego, CA., April 2000


Terrorism and Tourism: Packaging the Molly Maguires, Conference on Packaging Places, American History Center, University of Wyoming, Laramie, WY, September 2000


Philip Dru - Administrator: Progressive Utopias and Collectivist Nightmares, Utopian Studies Association, Vancouver, BC, Canada, October 2000


Disease and Racial Frontiers in Charles Brockden Brown’s Philadelphia, Charles Brockden Brown Society, Las Vegas, NV, October 2000


Patterns of Violence in Twentieth Century Pennsylvania, Conference on Violence in America, Millersville University, PA, November 2000


The Hidden Gospels in Popular Culture, Far Western Popular Culture Association, Las Vegas, NV, February 2001


Anti-Catholicism in Nineties Cinema: Real and Imagined, Southwest/Texas Popular Culture Association, Albuquerque, NM, March 2001


California Cults and Crackpots: Explaining a Subculture of Extreme Religious Dissidence, Western Social Sciences Association, Reno NV, April 2001


Mis-Remembering America's Industrial Heritage: The Molly Maguires, American Historical Association: The Pacific Coast Branch, Vancouver, Canada, August 2001


Panelist for symposium on issues relating to Internet crime, Lycoming College. Williamsport, PA, October 2001


Pennsylvania - The Awful Warning, Keynote Address, Pennsylvania Historical Association, Johnstown, PA, October 2001


Go and Sin No More: Therapy and Exorcism in the Rhetoric of Deviance, American Society of Criminology, Atlanta, November, 2001


I was the subject of an Author meets Critics session on Philip Jenkins as Social Constructionist, at the American Society of Criminology, Atlanta, November, 2001


New Images of the Serial Killer in Popular Culture, Far Western Popular Culture Association, Las Vegas, NV, February 2002.


The Rhetoric of Generational Threat, Conference on the Reagan Presidency, University of California at Santa Barbara, March 2002


Participant in Jihad For Knowledge, panel on interfaith relations, sponsored by the Cathedral Heritage Foundation, Louisville, Kentucky, April 2002


Participant in panel on The Three Kingdoms and the New British History, Keough Institute for Irish Studies, Notre Dame University, May 2002


After Father Geoghan: The Lessons of the Clergy Abuse Cases, Invited lecture to Conference on Victimization of Children and Youth, University of New Hampshire, Portsmouth, NH, August 2002


Writing the New Global Christianity: Beyond The Missionary Myth, Comparative Literature Lunch, Penn State University, September 2002


The Missionary Myth in Popular Culture, Far Western Popular Culture Association, Las Vegas, NV, February 2003


Frank Waters and the Reinvention of Native American Spirituality, Comparative Literature Lunch, Penn State University, October 2003


Dream Catchers, Religious Studies Departmental Lecture Series, Penn State, November 2004


Consenting Adults: Morality Campaigns as Generational Warfare, Society for the Study of Social Problems, Philadelphia, August 2005


Panelist, author meets critic session, discussing Paul Freston's book Protestant Political Parties, Association for the Sociology of Religion, Philadelphia, August 2005


Respondent to Bas Van Os, on Mathematical Models of Early Christianity, Society of Biblical Literature, Washington DC, November 2006


Women Reading the Bible in the Global South, Comparative Literature Lunch, Penn State University, December 2006


The Religious Agendas of the Da Vinci Code, Medieval Conference on The Grail, the Quest, and the World of King Arthur, University Park, PA, March 2007


Discussant for panel on “War on the Home Front”, Society for Military History, Frederick MD, April 2007


Failure To Launch: Why Some Social Issues Fail To Generate Moral Panics. American Sociological Association, New York City, August, 2007


 ‘Black Gangs’: The Perils of Counter-Subversion, Colloque on Mimicry in Civil Wars: The Strategic Use of Identity Signals, College de France, Paris: December 2007


Islam and the Future of Europe (with George Weigel), Ethics and Public Policy Center, Washington DC, February 2008


Islamic Europe or Euro-Islam? Workshop on Institutionalization and Representation of Religion, Berlin, Germany, June 2008


The Transformation of Gender and Family in Emerging Asian Christianity, Summit on Chinese Spirituality and Society, Beijing, China, October 2008


Religious America and Secular Holland: Future Trends, Conference on Four Centuries of Dutch-American Relations, Vrije Universiteit, Amsterdam, Netherlands, October 2009.


The Futures of Christianity, Svenska Kyrkans Forskardagar, Teologiska Högskolan Stockholm, Sweden, December 2009.


Discussant, Conference on New Religious Histories: Rethinking Religion and Secularization in 20th Century Ukraine and Russia, Penn State University March 2010.


Have the Culture Wars Gone Global? The Faith Angle: Conference on Religion, Politics and Public Life, South Beach, FL, March 2010, at,pubID.4121/pub_detail.asp


Religious Authority and the Challenges of Modernity, The Archbishop of Canterbury’s Building Bridges Seminar, Georgetown University, May 2010.


The Bible in a Changing Christian World, keynote lecture at United Bible Societies World Assembly, Seoul, Republic of Korea, September 2010.


The Globalization of Christianity, Keynote lecture at conference on Our Common Future, Essen, Germany, November 2010.


The Other Camp of the Saints:  Comparing Christian and Muslim Narratives of Global Expansion in the Modern Era, American Society of Church History, Boston, MA, January 2011


Chair and Discussant, Panel on Class Culture and Gender, Conference on Bringing Stratification Process Back In To The Scientific Study Of Religion, Penn State University, May 2011


David P. Hughes, Jennifer Trinitapoli, and Philip Jenkins, A Plague On Both Your Houses: The Intersection Of Infectious Disease, City Dwelling And Religious Belief, 13th Congress of the European Society for Evolutionary Biology, Tübingen, Germany, August 2011


Eight Lessons from the History of Terrorism, Conference on The Future of Terrorism II, University Park, PA October 2011


I participated in a panel on Confronting Islamophobia at the annual conference of the American Academy of Religion, held in San Francisco, November 2011. I also chaired a panel at this conference on Global Charismatic and Pentecostal Healing.


Evangelicals, Pentecostals, and Charismatics, International Conference on New Religious Movements as a Challenge for the Catholic Church, organized by the German Bishops' Conference, Rome, Italy, April 2013.


Christianity and World History, Wilberforce Weekend (Colson Center), Arlington VA, April 2013.


Out of the Past: Child Abuse in Religious Settings, STAND conference for North American Mission Leaders, Dallas TX, September 2013.


From Wittenberg to Lagos: The Sixteenth Century Reformation and Modern-Day Global Christianity, at Protestantism? Reflections in Advance of the 500th Anniversary of the Protestant Reformation, 1517-2017, Gordon College, Mass., November 2013.


Faiths at War, Custodire l’umanità: verso le periferie esistenziali, Assisi, Italy, November 2013



Culture and Faith, Napa Institute, Napa CA, July 2014


The Middle East: Violence and Religion, St. Vincent's College, Latrobe PA, February 2015.


The Great and Holy War, Berry College, Rome GA, February 2015.


Houston’s Nigerian Churches, (Read on my behalf), Texas State Historical Association, Corpus Christi, TX, March 2015


The Image of God in Global Faith, Wheaton Theology Conference, Wheaton IL, April 2015. This was also Wheaton College’s McManis Lecture.


Demographics and Global Faith, Christian Scholars Conference, Abilene TX, June 2015. My work was also the subject of two panels at this event.


Religion, Violence and Scripture, Chautauqua, NY, July 2015.


The Demographic Dimension of Global Christianity, Commemorative Conference on the Basel Mission 1815-2015, Basel, Switzerland, September 2015.


Godless Europe? ISR End of Religion symposium, National Press Club, Washington DC, November 2015.


Christianity, Islam and Holy Wars, at conference on Mere Anglicanism: The Cross and the Crescent, Charleston SC, January 2016


The Last Holy War? Teach-in on the First World War, University of Oklahoma, Norman OK, March 2016


It's Bigger on the Inside: Decline, Growth and Transformation in Contemporary Religion, Society of Christian Philosophers, Pacific Division, San Diego CA, March 2016


Faculty Mentor, Sixth Enoch Graduate Seminar, Austin, TX, May 2016


Conversation on Global Trends: New Demographics and their Implications, Pew Foundation, Washington DC, July 2016.


Childhood’s End, Inklings Society, Oxford England, July 2016.


Fertility and Faith, Association of Statisticians of American Religious Bodies, Waco, TX, October 2016.


The Western Frontier: Euro-Islam and the Remaking of Global Faith, Missiology Lectures, Fuller Seminary, Pasadena CA, November 2016.


Panel on The Anglican Communion and the First World War, Chair and Discussant, North American Conference on British Studies, Washington DC, November 2016.


Secular Europe? Texas Baptists Annual Meeting, Waco TX, November 2016.


Discussant, Panel on New Testament Apocrypha, Society of Biblical Literature, Boston, MA, November 2017


Discussant, Conference on Orthodoxy, Politics and the Split Between the Russian and Ukrainian Orthodox Churches, Penn State University, March 2019






A Little Leaven: From Mass Church to Creative Minority in Contemporary Europe, Symposium on Secularization and Revival, October 2009.


Reading the Bible in the Global South, Willson-Addis Lecture, George W. Truett Theological Seminary, March 2010


BRICs of Faith, October 2010


I co-organized the conference The King James Bible and the World It Made 1611-2011, which was held at Baylor University in April 2011. I also presented a plenary lecture at this event entitled Regions Luther Never Knew: Ancient Books in a New World


Laying Down the Sword, February 2012


A Critic in the Desert: Robert Browning and the Limits of Plain Historic Fact, Conference on The Cross and the Book, February 2012


 Remember Waco! The Disaster in Politics and Popular Culture, Conference on Reflecting on an American Tragedy, April 2013


Angels and Horsemen: The Great War as an Apocalyptic Struggle, Remembering Armageddon: Commemorating the First World War, March 2014


Prophetic Neighbors: Barth, Jung and Steiner in WW1 Switzerland, Modernism Seminar, April 2014


Where Have All The Cultists Gone? Debate with Gordon Melton, CESNUR conference on New Religious Movements, June 2014


I co-organized the Baylor University conference on Faith and Film, held at that university in October 2014, and chaired two sessions at the event


Godless Europe? At End of Religion symposium, May 2015


Looking East, Conference on the Syriac Christian Churches, April 2016


Merchants of Death and Dreams of Peace. Conference on For God and Country: The First World War and the US, April 2017


Preaching and World Christianity, Symposium on God’s Word and Our Words, Truett Seminary, September 2017


Panelist, Seminar on Centennial of Russian Revolution, October 2017


Chair, session at The Bible and the Reformation, October 2017


Katherine Bowen’s Nightmare, lecture delivered at panel on Puritans, Baptists and the Powers of Darkness, April 2018


Climate History and Christian History, presented at IFL conference on Stewardship of Creation, October 2018


Chair, Session at conference on Billy Graham, November 2018


The Armistice: Myth and Memory, presented at the Mayborn Museum, Waco, November 2018


Synthetic Panics: White Zombies, Cyborgs, and the Making of a Drug Crisis, Modern/Contemporary Seminar, February 2019


US History Since 2000, Brown Bag Lunch Presentation, History Department, April 2019


Fertility, Faith, and the Limits of Evangelical Growth in Latin America, Conference on History of Latin American Evangelicalism, ISR, Baylor University, October 2020


Fertility and Faith, in Readers Meet the Author: A Virtual Reading Group for Baylor Faculty,  February 2021



In addition to these lectures and seminars, I have also spoken frequently in different venues in the US and overseas, chiefly on aspects of global Christianity, and the expansion of Christianity in the global South. Since 2002, I have given about 150 such lectures.