Amy Cooter, a sociology lecturer at Vanderbilt University, researches nationalism.

Mark Bray, a history lecturer at Rutgers University, is the author of “Antifa: The Anti-Fascist Handbook.”

Ruth Ben-Ghiat is a history and Italian studies professor at New York University. She studies fascism and her upcoming book is “Strongmen: From Mussolini to the Present.”

Kathleen Belew, a history professor at the University of Chicago, is the author of “Bring the War Home: The White Power Movement and Paramilitary America.”

Travis View is a conspiracy theory researcher and a co-host of the podcast QAnon Anonymous.

Joseph E. Uscinski is a professor at the University of Miami whose research includes conspiracy theories. He co-authored the book Conspiracy Theories: A Primer, which examines why people believe in them.

Patricia A. Turner is a professor of world arts, culture and African American studies at UCLA. She wrote the book I Heard It Through the Grapevine: Rumor in African-American Culture.

Nancy L. Rosenblum is a professor of ethics in politics and government at Harvard University. She co-authored the book A Lot of People Are Saying: The New Conspiracism and the Assault on Democracy.

Josh Pasek is a professor of communications and media at the University of Michigan. His areas of expertise include misinformation and misperceptions.