Doris Brossard is a doctoral student in the Rutgers University Department of History, where she works on American history and women and gender studies. She has a master’s degree in history from the Ecole Normale Supérieure de Lyon.

Daniel Carpenter is Allie S. Freed Professor of Government and Director of Social Sciences at the Radcliffe Institute for Advanced Study, Harvard University. He currently directs a long-term project on petitioning in North America that draws on the digitization of petitions held by Congress as well as by state archives. These efforts include the Digital Archive of Massachusetts Antislavery and Anti-Segregation Petitions, launched in 2015. His petitions research, which combines the analysis of historical data with spatial and quantitative methods, has been published in the American Political Science Review, Studies in American Political Development, and the American Journal of Political Science.

Malcolm Chase is a professor of social history at the University of Leeds. His interest in petitioning derives from research into labor history, the Queen Caroline affair, and Chartism. His books include The People’s Farm: English Radical Agrarianism, 1775–1840 (Oxford University Press, 1988); Early Trade Unionism: Fraternity, Skill and the Politics of Labour (Ashgate, 2000); Chartism: A New History (Manchester University Press, 2007); 1820: Disorder and Stability in the United Kingdom (Manchester University Press, 2013); and The Chartists: Perspectives and Legacies (Merlin, 2015).

Richard Huzzey is a reader in Modern British History at Durham University. Alongside Henry Miller, he leads the Leverhulme Research Project on Re-thinking Petitions, Parliament, and People, 1780–1918 (RPG-2016-097) and the AHRC Research Network on Petitions and Petitioning from the Medieval Period to the Present (AH/R008868/1). He is the author of Freedom Burning: Anti-Slavery and Empire in Victorian Britain (2012) and a number of journal articles. He has co-edited The Suppression of the Atlantic Slave Trade (2016) and edited Pressure and Parliament: From Civil War to Civil Society (2018).

James Jaffe is a fellow of the Institute for Legal Studies at the University of Wisconsin Law School and Professor Emeritus from the University of Wisconsin–Whitewater. He currently works on the transnational interactions between law, legal ideologies, and society. In particular, his work focuses on the adoption, adaptation, and legacies of English law in colonial and modern India. Recent publications include Ironies of Colonial Governance: Law, Custom and Justice in Colonial India (2015) and “Custom, Identity and the Jury in India, 1800–1832,” Historical Journal 57 (2014).

Maartje Janse is senior lecturer at the Institute for History, Leiden University. Her book on Dutch single-issue campaigns was published as De Afschaffers: Publieke Opinie, Organisatie en Politiek in Nederland, 1840–1880 (2007). She has published widely on the comparative history of political organization in Europe and America in the long nineteenth century, including in Past & Present and the European Review of History. She is co-editor of Organizing Democracy: Reflections on the Rise of Political Organizations in the Nineteenth Century (2017) and of the book series Palgrave Studies in Political History.

Kinga Makovi is an assistant professor at the Social Science division at NYU Abu Dhabi in Social Research and Public Policy. She received her PhD in sociology from Columbia University, and also holds an MS in mathematical economics from Corvinus University of Budapest. She has been visiting scholar at the Haas School of Business and at the Department of Sociology at Harvard University. Her work focuses on behavioral convergence, through shared cognitive templates used to navigate social situations, as well as social networks through which information is diffused and peer influence is exerted.

Henry Miller is Senior Research Fellow at the Department of History, Durham University. Alongside Richard Huzzey, he leads the Leverhulme Research Project on “Re-thinking Petitions, Parliament, and People, 1780–1918” (RPG-2016-097) and the AHRC Research Network on “Petitions and Petitioning from the Medieval Period to the Present” (AH/R008868/1). He has published widely on nineteenth-century popular and parliamentary politics. He is the author of Politics Personified: Portraiture, Caricature and Visual Culture in Britain, 1830–1880 (2015).

Diego Palacios Cerezales is a lecturer in European history at the University of Stirling. He has published widely on protest, popular politics, policing, and social movements in Spain and Portugal in the modern era and is currently working on petitioning in Southern Europe. His books include O poder caiu na rua (2003); A culatazos. Protesta popular y orden público en el Portugal contemporáneo (Genueve Ediciones, 2011); and Estranhos corpos políticos. Protesto e mobilização no Portugal do século XIX (Unipop, 2014).

Robert Poole is professor of history, University of Central Lancashire, Preston, UK. His most recent publications include “The Manchester Observer: Biography of a Radical Newspaper,” Bulletin of the John Rylands Library (forthcoming, 2019; open access) and a book, Peterloo: The English Uprising (Oxford University Press, forthcoming, 2019).

David Zaret is professor of sociology and history, and also serves as vice president for International Affairs at Indiana University. He is the author of Origins of Democratic Culture: Printing, Petitions and the Public Sphere in Early Modern England (2000) and “Petitioning Places and the Credibility of Opinion in the Public Sphere in Seventeenth-Century England,” in Beat Kümin (ed.) Political Space in Pre-Industrial Europe (2009).