- Don Walsh was born on November 2, 1931 in Berkeley, California, USA. He is known for Raise the Titanic (1980), Diving Deep: The Life and Times of Mike deGruy (2019) and I've Got a Secret (1952). He was married to Joan Betzmer. He died on November 12, 2023 in Myrtle Point, Oregon, USA.
- SpouseJoan Betzmer(1962 - November 12, 2023) (his death, 2 children)
- Along with Jacques Piccard, explored the bottom of Challenger Deep in the Marianas Trench in 1960.
- He was appointed by Presidents Carter and Reagan to the U.S. National Advisory Committee on Oceans and Atmosphere, was a member of the Law of the Sea Advisory Committee for the U.S. Department of State, and served as a member of the Marine Board of the U.S. National Research Council from 1990 to 1993.
- In the MIR submersible, he dived on the RMS Titanic, the German battleship Bismarck, and the Mid-Atlantic Ridge.
- He managed a marine consulting business beginning in 1976, and as of 2010 conducted about five deep-sea expeditions per year.
- Walsh was named one of the world's great explorers by Life magazine.
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