Jacques Piccard parlait déjà en 1972 de collapsologie
SYND 21-08-69 UNDERWATER OCEANOGRAPHER AND ENGINEER JACQUES PICCARD TALKS TO THE PRESS
Mariana Trench: Record-breaking journey to the bottom of the ocean - BBC News
9 Jacques Piccard
Rolex Sea-Dweller Deepsea Jacques Piccard
Jacques Piccard was a Swiss oceanographer and engineer, known for having developed underwater submarines for studying ocean currents. In the Challenger Deep, he and Lt. Don Walsh of the United States Navy were the first people to explore the deepest part of the world's ocean, and the deepest location on the surface of Earth's crust, the Mariana Trench, located in the western North Pacific Ocean.