(R)) (2 June 1895 – 2 October 1959) was an English-born Canadian naval officer, author, conspiracy theorist, who was accused of being an anti-Semite.
Though he first came to prominence with books about his military experiences as a submariner, Carr later turned to writing about a vast conspiracy, which he alleged to have uncovered.
He was described as "the most influential source in creating the American Illuminati demonology", according to the American folklorist Bill Ellis.In the 1950s, he was the leader of the anticommunist National Federation of Christian Laymen of Toronto, Ontario.
He was also one of the presidents of the Naval Club of Toronto.