Jack Bogle, founder of Vanguard Group and creator of the index fund, dies at age 89

Jack Bogle was founder of Vanguard Group and created the world's first index mutual fund, which enabled investors to achieve high returns but at lower costs than for actively managed funds.

https://www.cnbc.com/2018/12/14/jack-bogle-founder-of-vanguard-group-and-creator-of-the-index-fund-dies-at-age-89.html