Professor, Investor, Author of "The Intelligent Investor"
Buffett's mentor and the father of value investing. Graham taught Buffett at Columbia Business School and later hired him at Graham-Newman Partnership. Buffett credits Graham with teaching him the fundamental principles of investing: margin of safety,Mr. Market, and the difference between price and value.
“Benjamin Graham taught us that the market is a mechanism for transferring wealth from the active to the patient — it offers prices daily, but only requires you to act when you want to buy or sell.”