
Augustin Barruel was a French publicist and Jesuit priest. He is now mostly known for setting forth the theory involving the Bavarian Illuminati and the Jacobins in his book Memoirs Illustrating the History of Jacobinism published in 1797. In short, Barruel wrote that the French Revolution was planned and executed by the secret societies.

Mark Shouldice, better known as Mark Dice, is an American YouTuber, conspiracy theorist, activist, author, and right-wing conservative pundit, who has been active since at least 2008.

David Vaughan Icke is an English conspiracy theorist, and a former footballer and sports broadcaster. Icke has written more than 20 books and has lectured in over 25 countries.

Texe William Marrs was an American writer and radio host, who ran two fundamentalist Christian ministries, Power of Prophecy Ministries and Bible Home Church, both based in Austin, Texas. His teachings include end times and were considered controversial.

John Robison FRSE was a British physicist and mathematician. He was a professor of natural philosophy at the University of Edinburgh.

John Wayne Todd, also known as "John Todd Collins", "Lance Collins", "Kris Sarayn Kollyns", and "Christopher Kollyns", was an American speaker and conspiracy theorist. He claimed to be a former occultist who was born into a 'witchcraft family' before converting to Christianity. He was a primary source for many Chick Publications works against Dungeons & Dragons, Catholicism, Neopaganism, and Christian rock.

Nesta Helen Webster was an English far-right conspiracy theorist, who revived theories about the Illuminati. She claimed that the secret society's members were occultists, plotting communist world domination, through a Jewish cabal, the Masons and Jesuits. She blamed the group for events including the French Revolution, 1848 Revolution, the First World War, and the Bolshevik Revolution.