April 1998 by Robert E. Bartholomew “Light Bulb” Mania of 1897, and the Great Airship Hoax of 1909-1910 Collective delusions and so-called mass hysterias take many forms, of which there are at least four common types. For a detailed discussion of each type, see my recent article in The Skeptical Inquirer (May-June, 1997). I will […]
