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 known part of the world's ocean, and the deepest known location on the surface of Earth's crust, the Mariana Trench, located in the western North Pacific Ocean.

From *.wikipedia.org,

General Info

Male

Date of Birth

July 28th, 1922

Age

101

Birth Place

Belgium, Brussels-Capital Region

Date of Death

November 1st, 2008

Died Aged