This is John C. "Jack" Bogle, the 87 year-old founder of The Vanguard Group, Inc., the world's largest mutual fund organization, which oversees $3.5 Trillion in assets. Not bad for a company that began as his 1951 thesis at Princeton University. He is a remarkable American. Bogle has been recognized by TIME Magazine as one of the "world's 100 most powerful and influential people.” Fortune listed him as one of the investment industry's four giants of the 20th Century. Institutional Investor has g