Buffet's mentor Benjamin Graham also taught at at Columbia. Buffet always speaks of Graham as one of the most influential people in his life. In fact, I watche

Buffet's mentor Benjamin Graham also taught at at Columbia. Buffet always speaks of Graham as one of the most influential people in his life. In fact, I watched a few minutes of the town hall last night, and he mentioned Graham at least 4 or 5 times.