Re: (Tears) Fads and Fallacies by Martin Gardner

James Nicoll wrote:

Fads and Fallacies in the Name of Science by Martin Gardner
 A survey of an era overrun by cranks, charlatans, and legions of
wilfully gullible fools. A bit off topic, but significant SF figures
appear in the text.
 https://jamesdavisnicoll.com/review/all-the-madmen
 

John Sladek wrote a book of this kind two decades later, titled "The New Apocrypha".
He was able to add a few sixties cults to the mix.
William Hyde