The concept of a MasterMind was first introduced by Napoleon Hill. Napoleon Hill (1883-1970), author of "Think and Grow Rich" was an American author
Best Napoleon Hill Quotes of Success to inspire you
Little Known Secrets on How to Run a Mastermind Group for Your Learning Business
What Is a Mastermind & Who Is On Your Success Team?
What is a Mastermind Group? And How They Work - Colin Scotland
Mastermind - Bridge Space
The Mastermind Life
Napoleon Hill on two occasions wrote extensive memoirs about his life, starting with his youth in Wise County, Virginia, and ending, apparently,
Master Mind: The Memoirs of Napoleon Hill|Paperback
2. The Mastermind Principle - Napoleon Hill
Building a MasterMind to achieve your dreams in life – EDUWorld
Masterminds Tommy Hilcken Productions
Unlocking Success: Mastering Napoleon Hill's 16 Laws
Napoleon Hill's Live Lecture Series in Chicago - Key Success Principles — Eightify
The Power of the Mastermind - Think and Grow Rich Ch:10