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 . Later and more accurate measurements have measured it at . Provided by Wikipedia-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20