John Bogle founded the Vanguard Group and before his death served as a vocal proponent of index investing.
Jack Bogle and Vanguard's $5,000,000,000,000 Question - Philadelphia Magazine
Tributes to John Bogle pour in from SEC, retirees, and a Collegeville pizza parlor
Blog 1 Orpheuss
How Index Funds Are Hurting Investors and the Market
John Clifton Bogle, Father of Indexing and Founder of The Vanguard Group, Has Died - Funds Society
In Bogle Family, It's Either Passive or Aggressive - WSJ
Do a lot of people live off dividends? - Quora
Jack Bogle Warns Index Funds Are Getting Too Big
7 Priceless Money Lessons from The Founder of Vanguard
Bogle Asset Allocation for Your 401(k)
John Bogle, father of index investing, dies at 89
Life of Jack Bogle, Founder of Vanguard Who Pioneered Index Funds
Do a lot of people live off dividends? - Quora
Who Was John Bogle? Vanguard Founder, Father of Indexing