Title: Founder, Vanguard Group, 1974.

Home: Bryn Mawr.

Family: Married to Eve Bogle; six children.

Diplomas: Princeton University (1951), 14 honorary degrees.

Resume: President of the Bogle Financial Markets Research Center. Created Vanguard, served as chairman and CEO until 1996 and as senior chairman until 2000. Associated with a predecessor company, Wellington, since 1951, serving as chief executive from 1967 to 1974.

Other: Launched the first index fund in 1976, and "it was a flop," he recalls, raising just $11 million. Today, indexing has been vindicated, with Vanguard approaching $4 trillion in assets.