Search guests who were on the Joe Rogan Experience.

Bart Sibrel is a filmmaker, writer, and investigative journalist. He's the director of the films "A Funny Thing Happened on the Way to the Moon" and "Astronauts Gone Wild: An Investigation Into the Authenticity of the Moon Landings," and author of the book "Moon Man: The True Story of a Filmmaker on the CIA Hit List."www.sibrel.com

Bart Elmore is the associate professor of environmental history and core faculty member of the Sustainability Institute at the Ohio State University. He's the author of "Seed Money: Monsanto's Past and Our Food Future."

Barry Rothbart is a comedian, actor and writer.