John Bogle was a true innovator in the investing world and his ideas have changed the way we invest and manage wealth forever. He was the founder of the Vanguard Group in 1974, the first mutual fund in the US to offer no-load financing and the creator of index investing. This type of investing strategy allows investors to save time and money by tracking the broad market without needing to research individual securities.

Bogle developed the Vanguard 500 fund in 1976, which tracks the performance of the S&P 500 and is one of the most popular and successful mutual funds in the world. His commitment to low-cost investing led to new investment products and services for investors, such as exchange-traded funds, that balance the low-costs of investing with able performance.

Bogle's book “Common Sense on Mutual Funds” is still considered the definitive guide to passive investing and provides invaluable insight into the world of investing. His no-nonsense approach to investing in mutual funds, as well as his groundbreaking ideas, has made him one of the most celebrated minds in finance. His low-cost approach to investing has allowed countless individuals to start investing in the stock market and manage their own portfolios.

John Bogle was an investing pioneer who changed the landscape of the financial industry and the way people invest their money. He will forever be remembered as an innovator who gave the individual investor the chance to participate in the growth of the stock market. His commitment to low-cost investing and his pioneering of index-based investing will remain an influence in the world of finance and investing.