Tiger Woods held off Chris DiMarco, Ernie Els, Jim Furyk, and Sergio García for a two-shot victory.
Teenager Tom Lewis clinched his first European Tour title with a two-shot victory at Portugal Masters.
In the 1986 Open at Shinnecock, Floyd also had a sizzling final round, with three birdies on the last eight holes for a four-under 66 and a two-shot victory.
Henke finished with a 72-hole total of 17-under-par on the hilly Atlanta Country Club course to post a two-shot victory over Price, Mark Calcavecchia and Tom Sieckmann.
Walker's eight-under-par round brought a 14-under 278 that gave her a two-shot victory over Liselotte Neumann of Sweden.
In 1992, Cook won three PGA Tour events, including a two-shot victory at the United Airlines Hawaiian Open after shooting two closing rounds of 65.
It gave her a total of 12-under 201 and a two-shot victory over Lorie Kane, who shot a final-round 70.
Tony Jacklin becomes the first home player to win the British Open for 18 years, with a two-shot victory over Bob Charles at Royal Lytham.
"But when you already have been through cancer, this isn't that tough," Hamlin said after her one-under-par 70 earned her a two-shot victory and $67,500.
He has won for two weeks running, capturing the United States Open last weekend and following up with a two-shot victory today in the Buick Classic.