At 5 p.m. on Dec. 2, 1919, Canadian theater magnate Ambrose Small met with a lawyer in his Toronto office. The lawyer departed at 5:30 p.m. Between 5:30 and 6:00, Small vanished.

No one saw him leave the office, and no body was ever found. The disappearance seemed senseless. Small was a self-made millionaire; no money was missing, there was no evidence of kidnapping, and no ransom note was ever received.

Curiously, writer Ambrose Bierce had disappeared in Mexico six years earlier. Charles Fort wondered, “Was somebody collecting Ambroses?”