John B. Neff, CFA, was an American investor, mutual fund manager, and philanthropist. He was notable for his contrarian and value investing styles as well as for heading Vanguard's Windsor Fund. Neff's thirty-one-year tenure at Windsor (1964 to 1995), the fund returned 13.7% annually versus 10.6% for the S&P 500. John has also published a book named "John Neff on Investing"