Underwater explorer Jacques Piccard died November 1, 2008 at his home in Geneva, Switzerland. He was 86 years old. Piccard set the record for deepest underwater dive, 35,810 feet, in January 23, 1960. Piccard and Navy Office Don Wash took the dive in a submarine, the Trieste, designed and built by Piccard and his father, Auguste. The record, set in the Mariana trench in the Pacific Ocean, near Guam, has never been broken.Swissinfo: Deep-sea adventurer Jacques Piccard is dead (November 1, 2008)

During their trip, they discovered that, contrary to previous beliefs, marine life lived and thrived at the bottom of the ocean. Because of their discovery, nuclear waste dumping in deep-ocean trenches was outlawed.Swissinfo: Deep-sea adventurer Jacques Piccard is dead (November 1, 2008)

Piccard explored several underwater areas, including the Mariana trench the gulf stream, and Lake Geneva, Switzerland. He continued to dive until he was 82 years old.Swissinfo: Deep-sea adventurer Jacques Piccard is dead (November 1, 2008)