Don Walsh
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Don Walsh was an American oceanographer, U.S. Navy officer, and marine policy specialist. While aboard the bathyscaphe Trieste, he and Jacques Piccard made a record maximum descent in the Challenger D
Walsh in 1974
Lt. Don Walsh, USN (bottom) and Jacques Piccard (center) in the bathyscaphe Trieste
Walsh in 2010
Trieste (bathyscaphe)
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Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe. In 1960, it became the first crewed vessel to reach the bottom of Challenger Deep in the Mariana Trench, the deepest point
Don Walsh
…Don Walsh (November 2, 1931 – November 12, 2023) was an American oceanographer, U.S. Navy officer, and marine policy specialist. While aboard the bathyscaphe Trieste, he and Jacques Piccard made a record maximum descent in the Challenger Deep on January 23, 1960, to 35,813 feet (10,916 m). Later and more accurate…
Trieste shortly after her purchase by the US Navy in 1958
Pressure sphere, with forward ballast hopper, left
Trieste just before the Mariana dive 23 January 1960, seen escorted by USS Lewis