What college football coach has the most national championships since 1950?

If we restrict it to AP/Coaches poll and/ or BCS National Championships for division one college football since 1950 then the breakdown is as follows:

BEAR BRYANT 6

JOHN MCKAY 3

NICK SABAN 3

BUD WILKERSON 3

DARRELL ROYAL 3

BARRY SWITZER 3

TOM OSBORNE 3

WOODY HAYES 3