Norman Vincent Peal in the early 50's I believe.

I'm learning about the connection of Peal's teachings and a very prominent family that has been a big item in our history before and now.

Curious? Let your fingers do the searching.

To read the book Published in 1952:

The Power of Positive Thinking Book PDF
https://addictbooks.com/the-power-of-positive-thinking-book-pdf-download/

Thanks for the link, and my Main focus is on the connection and the major family and today's happenings..