Darren Linvill is a Clemson University professor who researches disinformation on social media.

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.”

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.

Joanne Miller is a political science and international relations professor of the University of Delaware. Her areas of expertise include political psychology, misinformation and conspiracy theories.

Mark Fenster is a law professor at the University of Florida. He wrote Conspiracy Theories: Secrecy and Power in American Culture and The Transparency Fix: Secrets, Leaks, and Uncontrollable Government Information.

Adam M. Enders is a political science professor at the University of Louisville. He studies conspiracy beliefs, political polarization and misinformation.

Karen M. Douglas is a professor of social psychology at the University of Kent. She studies beliefs in conspiracy theories.

Rachel Hope Cleves is a history professor at the University of Victoria, in British Columbia. Her studies include conspiracy theories in public life.