The 'Most wins by a college football coach' quiz

Can you name the coaches in college football with the most wins? Per Sports-Reference, this only includes games played by schools while they were considered <a href="http://www.sports-reference.com/cfb/about/what-is-major.html">major schools</a><span>&nbsp;and will exclude notable coaches such as Eddie Robinson (408 wins) and John Gagliardi (489 wins)</span> Quiz clue: Wins / Years active. Good luck!