Bathyscaphe Trieste
Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe, which with its crew of two reached a record maximum depth of about , in the deepest known part of the Earth's oceans, the Challenger Deep, in the Mariana Trench near Guam in the Pacific. On 23 January 1960, Jacques Piccard (son of the boat's designer Auguste Piccard) and US Navy Lieutenant Don Walsh achieved the goal of Project Nekton.
J. Val Klump
Jeffrey Val Klump is an American limnologist. He was the first person to reach the deepest spot in Lake Superior, a depth of 1333 feet (733 feet below sea level), the second lowest point in the United States after Iliamna Lake, on July 30, 1985 while aboard the R/V Seward Johnson with the Johnson Sea Link-II submersible. Klump was also the first person to reach to the deepest point in Lake Michigan as part of the same expedition. He is currently a professor and dean at the School of Freshwater Sciences at the University of Wisconsin–Milwaukee in Milwaukee, Wisconsin.