Michael Butter is Professor of American Studies at the University of Tübingen, Germany. He also directs the ERC-funded project "Populism and Conspiracy Theory." He is the author of The Nature of Conspiracy Theories (2020) and coeditor of the Routledge Handbook of Conspiracy Theories (2020).

Peter Knight is Professor of American Studies at the University of Manchester, UK. His research is on conspiracy theories and the economic humanities. He is the author of Conspiracy Culture, The Kennedy Assassination, and Reading the Market and is co-author of Invested and Conspiracy Theories in the Time of Covid-19 . He is coeditor of the Routledge Handbook of Conspiracy Theories.