Philippe Tailliez was a friend and colleague of Jacques Cousteau. He was an underwater pioneer, who had been diving since the 1930s.
Philippe Tailliez
Jacques-Yves Cousteau, was a French naval officer, oceanographer, filmmaker and author. He co-invented the first successful open-circuit self-contained underwater breathing apparatus (SCUBA), called the Aqua-Lung, which assisted him in producing some of the first underwater documentaries.
Cousteau in 1972
Cousteau's Diving Saucer
Cousteau's submarine near Oceanographic Museum in Monaco
President Kennedy awards the National Geographic Society's Gold Medal to Jacques Cousteau, 1961