Jacques Cousteau

Jacques Cousteau (1910–1997) was a French naval officer, oceanographer, filmmaker, and conservationist who co-developed the Aqua-Lung and popularized underwater exploration.

Émile Gagnan: A French engineer who co-developed the Aqua-Lung with Jacques Cousteau. Gagnan designed the demand regulator that made their underwater breathing apparatus practical.
Aqua-Lung: An open-circuit scuba apparatus that supplies compressed air on demand and releases exhaled gas into the water. Cousteau and Émile Gagnan’s device enabled divers to move underwater without surface air lines.
The Silent World: A 1956 documentary film by Jacques-Yves Cousteau and Louis Malle about underwater exploration aboard Calypso. Its vivid underwater photography brought Cousteau international recognition and popularized ocean exploration.
Scuba diving: A form of underwater diving in which a diver carries an independent breathing-gas supply. The Aqua-Lung helped make independent underwater exploration accessible beyond military and research settings.
Dolphin drive hunting: A method of capturing or killing dolphins by driving pods into shallow coastal waters. The dolphin-killing scene in The Silent World later drew criticism for its portrayal of animal harm.
Philippe Tailliez: A French naval officer and diver who pioneered underwater exploration with Cousteau and Frédéric Dumas. Tailliez was Cousteau’s early diving companion and helped establish their research group.
Demand valve: A regulator mechanism that supplies gas when a user inhales and reduces flow during exhalation. Its pressure-responsive operation made the Aqua-Lung’s air supply usable at changing depths.
The Undersea World of Jacques Cousteau: An American television documentary series following Cousteau’s oceanographic expeditions aboard Calypso. The series carried his expedition-based storytelling into homes around the world.
Ocean conservation: The protection and sustainable management of marine ecosystems and ocean resources. Cousteau’s films and campaigns helped make ocean protection a mass-public concern.
Jacques Perrin: A French actor, director, and producer known for nature documentaries including Oceans. Perrin’s later ocean filmmaking offers a contrasting approach to marine spectacle and conservation storytelling.

Linked from 4 pages