SCUBA SCOOP/latest dive stories: Mystery photo reveals story of sponge-diving movie star | All about water, the oceans, environmental issues |

The debonair diver strikes a Hollywood pose in his patched canvas wetsuit, hands resting on either knee, head cocked, with a cigarette dangling from his lips.

For 52 years he was known simply as "the Sponge Diver" in a black-and-white photograph published in National Geographic magazine.