Explorers who died on June 25

Take a focused look at the explorers who passed away on June 25. Dive into curated bios, achievements, and cultural milestones verified by our editors.

• 1997 Jacques Cousteau

  Jacques Cousteau was a renowned French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author, and researcher who studied the sea and all forms of life in water. He co-developed the Aqua-Lung, pioneered marine conservation efforts, and brought underwater exploration to popular audiences through documentaries like 'The Silent World.' [bio]