Inwestor, menedżer.

Dość : prawdziwe miary bogactwa, biznesu i życia / John C. Bogle. - Warszawa, cop. 2009. Okł.: (założyciel Vanguard Mutual Fund Group i prezes Boogle Financial Markets Research Centre)

LCA online

en.wikipedia, 17.03.2025 (John Clifton "Jack" Bogle (May 8, 1929 – January 16, 2019) was an American investor, business magnate and philanthropist. He was the founder and chief executive of The Vanguard Group and is credited with popularizing the index fund) https://en.wikipedia.org/wiki/John_C._Bogle