Jacques Cousteau, a French naval officer, explorer, and filmmaker, is credited with pioneering the use of scuba diving equipment and popularizing underwater exploration through his documentaries and television series.

Robert Ballard, an American oceanographer and marine geologist, led the expedition that discovered the wreck of the RMS Titanic in 1985. The discovery revolutionized our understanding of the disaster and provided valuable insights into the events leading to the sinking.

Don Walsh, a United States Navy officer and oceanographer, along with Jacques Piccard, made history by reaching the bottom of the Mariana Trench in the bathyscaphe Trieste in 1960, marking a significant milestone in deep-sea exploration.

Sylvia Earle, an American marine biologist, oceanographer, and explorer, is known for her groundbreaking work in marine conservation and her efforts to raise awareness about the importance of protecting our oceans.

James Cameron, a Canadian filmmaker, explorer, and environmentalist, is famous for directing and producing the critically acclaimed film 'Titanic', which won numerous awards and became one of the highest-grossing films of all time.

S.R. Rao, an Indian archaeologist and marine archaeologist, led the team that discovered the submerged ruins of the ancient city of Dwarka in the Gulf of Cambay, providing evidence of its historical and mythological significance.

Brendan Foley, an American marine archaeologist, is renowned for his extensive research on ancient shipwrecks and his discovery of the Antikythera Mechanism, an ancient analog computer found in a shipwreck off the Greek island of Antikythera.

A team led by John Corliss, Robert Ballard, and Tjalling Van Andel discovered hydrothermal vents on the Galapagos Rift in 1977, revolutionizing our understanding of deep-sea ecosystems and the potential for life to thrive in extreme environments.

Cindy Lee Van Dover, an American marine biologist and oceanographer, is renowned for her research on deep-sea hydrothermal vent communities and her exploration of the deep sea using submersibles.

Victor Vescovo, an American businessman and explorer, made history in 2012 by completing the deepest solo dive to the bottom of the Mariana Trench, reaching a depth of approximately 11,000 meters.

Valerie Taylor, an Australian marine biologist, conservationist, and filmmaker, is renowned for her work on marine conservation and her efforts to protect the Great Barrier Reef. She is also known for her groundbreaking underwater cinematography.

Franck Goddio, a French underwater archaeologist, is known for his discovery of the underwater ruins of the ancient city of Thonis-Heracleion in Egypt, providing valuable insights into its history and trade connections.

A team led by Parks Canada discovered the wreck of the HMS Erebus in 2014, solving one of the greatest mysteries in Arctic exploration history.

Guillermo de Anda, a Mexican cave diver and explorer, is renowned for his research on underwater caves and his discovery of the Sac Actun system, the longest underwater cave system in the world.

James Cameron is not only known for his filmmaking career but also for his deep-sea exploration. He has conducted several expeditions using manned submersibles and has made significant contributions to our understanding of hydrothermal vent ecosystems.