Peter Lynch is a legendary mutual fund manager who led the Fidelity Magellan Fund from 1977 to 1990, achieving one of the highest returns in mutual fund history. He advocated for buying what you know and conducting deep research into individual companies. Lynch believed individual investors could outperform the market by spotting trends early in businesses they understood. However, he is not associated with the Bogleheads investing philosophy. In fact, his approach — focused on stock picking and active management — contrasts with the Bogleheads’ emphasis on passive index fund investing and minimizing effort and cost. While Lynch is respected in investing circles, crediting him with the creation of Bogleheads would misrepresent both philosophies. The Bogleheads strategy is grounded in broad diversification, minimal management, and long-term holding, which differs sharply from Lynch’s more hands-on method.