Thomas Daniel Weiskopf is an American professional golfer who played on the PGA Tour and the Champions Tour. His most successful decade was the 1970s, and he won 16 PGA Tour titles between 1968 and 1982. After winding down his tournament career, Weiskopf has become a noted golf course architect–see the Castiglion del Bosco winery in Montalcino for an example.