Here's Ben Graham's family tree of value investing

Benjamin Graham is often referred to as “the father of investing” – and for good reason.

Warren Buffett was one of Graham’s students at Columbia University (and the only one to have ever received an A in his class). Many other value investing legends, like Bill Ruane, Irving Kahn, and Walter Schloss, were also disciples of Benjamin Graham.

Although Graham started working at Columbia Business School in 1928, his works and teachings – which include Security Analysis (pu...