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Robert Sténuit

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Robert Pierre André Sténuit (16 July 1933[1][2] – 9 December 2024)[2] was a Belgian journalist, writer, and underwater archeologist.[3] In 1962, he spent 24 hours on the floor of the Mediterranean Sea in the submersible "Link Cylinder" developed by Edwin Link, thus becoming the world's first aquanaut.[4][5][6]

Spanish galleon

Life and career

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Sténuit was born in Brussels on 16 July 1933.[1] He began caving at the age of seventeen. He discovered diving in 1953 when he began scuba diving in flooded caves in Belgium. He subsequently became interested in speleology and went on to spend many years exploring the Caves of Han-sur-Lesse.[7][8]

Sténuit had a passion for history. At the age of 20, after reading 600 Milliards Sous les Mers by Harry Reiseberg, a work of fiction about shipwrecks and treasure diving, Sténuit left the Free University of Brussels, where he was studying political and diplomatic science in preparation for a career as a lawyer.[1][9] In 1954, Sténuit began looking for the treasures of the Spanish fleet sunk in 1702 at the Battle of Vigo Bay by English and Dutch warships. He searched without success, finding only modern wrecks.[9][10][11]

Together with another underwater treasure hunter, the American John Potter, Sténuit worked for the Atlantic Salvage Company, Ltd. on the specially-equipped vessel Dios Te Guarde for search and recovery of underwater treasure, beginning another search for the wrecks of the 1702 Plate Fleet, which lasted two years.[7][12]

Robert Sténuit worked as a professional diver for the French company SOGETRAM (Société Générale de Travaux Maritimes et Fluviaux). Eventually, he left SOGETRAM to become the chief diver for Edwin Link's Man in Sea project.[9][13]

Sténuit died on 9 December 2024, at the age of 91.[2]

Man in Sea project

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From 6–10 September 1962, Sténuit participated in Man in Sea, Edwin Link's first experiment with an underwater habitat, which was performed with a submersible decompression chamber (SDC) at Villefranche-sur-Mer on the Mediterranean, at a depth of 200 feet (61 m).[4][7][9][12][14] While submerged in the cylinder, Sténuit breathed a helium-oxygen mixture (Heliox). The experiment was conducted from Link's yacht, the Sea Diver.[4][7][9][12] Sténuit remained on the sea floor for over 24 hours, becoming the world's first aquanaut.[4][5][6][7][12][14]

During this dive, a mistral sank the Reef Diver, the Sea Diver's launch, which was carrying fifteen bottles of helium.[4][7][12] A mistral surge also caused the cylinder to float back to the surface, where Sténuit remained safe from decompression sickness because the cylinder was still pressurized. A U.S. Navy boat brought an additional supply of helium during the night of 7–8 September, allowing Sténuit to continue to be supplied with helium while decompressing.[4][7]

Edwin Link's second Man in Sea experiment was conducted in June–July 1964 in the Berry Islands (a chain in the Bahamas) with Sténuit and Jon Lindbergh, one of the sons of Charles Lindbergh, who made the first solo nonstop flight across the Atlantic. Sténuit and Lindbergh stayed in the SPID habitat (Submersible, Portable, Inflatable Dwelling) for 49 hours underwater at a depth of 432 feet (132 m), breathing a helium-oxygen mixture.[4][7][14][15][16][17] Joseph B. MacInnis participated in this dive as a life support specialist.[4][7][16][17] At the end of the two divers' decompression, a Sea Diver crew member and Sténuit's wife, Annie Sténuit, sustained minor injuries when the end of an air tank blew off. Sténuit, who had developed a case of the bends during decompression, still had some lingering symptoms afterwards in his shoulders and ankles, but these eventually dissipated.[18]

In 1965, the Man in Sea project was taken over by a new company, Ocean Systems Inc.[7][9][14] Link departed from the project. Still, Sténuit remained as a researcher, adviser and development engineer, conducting test dives in decompression chambers and underwater habitats and computing new helium-oxygen decompression tables for greater depths.[7][9] In 1966, Ocean Systems established an office in London with Sténuit in charge. His professional work at this time involved drilling on off-shore oil and gas rigs in the North Sea, but in his spare time, he began researching the wreck of the Spanish galleass Girona.[9][19]

Underwater archeologist

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Sténuit became involved with underwater archeology and the search for shipwrecks, collaborating with Henri Delauze (president of COMEX).[9][20][21][22] In 1968, Sténuit created the "Groupe de Recherche Archéologique Sous-Marine Post-Médiévale" (Group for Underwater Post-Medieval Archaeological Research), or "GRASP". GRASP has managed the inventory of 17 merchant shipwrecks and a number of warships from the 16th century through the 19th century.[3][9]

Sténuit's most important underwater archaeological discoveries are:

Robert Sténuit is the author of several books on diving and underwater archeology, which have been translated into several languages. He remained an active seeker of underwater treasures' location and identification, especially in wrecks of ships that belonged to the various East India companies. He continued to direct GRASP alongside his daughter, archeologist Marie-Eve Sténuit.[3]

Books

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  • Ces mondes secrets où j'ai plongé (These secret worlds where I dived) – Robert Laffont
  • L'or noir sous les flots bleus (The black gold in the blue waters) – Dargaud
  • Histoire des pieds lourds (History of heavy feet) – Musée du scaphandre
  • Les épaves de l'or (The wrecks of gold) – Gallimard
  • Dauphin mon cousin (The dolphin, cousin to man) – Le Livre de Poche
  • La plongée sous-marine, vacances chez Neptune (Scuba diving, holidays with Neptune) – Dargaud
  • Le livre des trésors perdus (The book of lost treasures) – Famot
  • Les trésors de l'Armada (Treasures of the Armada) – Albin Michel
  • Les jours les plus profonds (The deepest days) – Plon
  • L'or à la tonne: l'exploitation des trésors engloutis (The gold per tonne: exploitation of sunken treasure) – Glénat
  • La flûte engloutie (The sunken flute) – Plon
  • Merveilleux monde souterrain (Caves and the marvellous world beneath us) – Librairie Hachette

See also

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References

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  1. ^ a b c Sténuit, Robert (1973). Treasures of the Armada. Trans. Francine Barker. New York City: E. P. Dutton & Co. p. 283. ISBN 0-525-22245-6.
  2. ^ a b c "Décès de Robert Sténuit" [Death of Robert Sténuit]. AG Funeral (in French). 9 December 2024. Retrieved 12 December 2024.
  3. ^ a b c d e f "International Shipwreck Conference". 2011. Archived from the original on 10 October 2011. Retrieved 30 August 2011.
  4. ^ a b c d e f g h Link, Marion Clayton (1973). Windows in the Sea. Washington, D.C.: Smithsonian Institution Press. ISBN 0-87474-130-0. LCCN 72-93801.
  5. ^ a b Ecott, Tim (2001). Neutral Buoyancy: Adventures in a Liquid World. New York: Atlantic Monthly Press. pp. 249–250. ISBN 0-87113-794-1. LCCN 2001018840.
  6. ^ a b Norton, Trevor (2006). Underwater to Get Out of the Rain: a love affair with the sea. Da Capo Press. p. 191. ISBN 0-306-81487-0.
  7. ^ a b c d e f g h i j k Sténuit, Robert (1966). The Deepest Days. Trans. Morris Kemp. New York: Coward-McCann. LCCN 66-10428.
  8. ^ Stenuit, Robert with Jasinski, Marc (1966). Caves and the marvellous world beneath us. Trans. Harry Pearman. New York: A.S. Barnes and Company.{{cite book}}: CS1 maint: multiple names: authors list (link)
  9. ^ a b c d e f g h i j k l Holland, Sean (1999). "Salvor, Archeologist Robert Sténuit" (PDF). Immersed (32): 10–11, 14–16. Retrieved 30 August 2011.
  10. ^ Treasures of the Armada (Sténuit), p. 143.
  11. ^ According to Holland, Sténuit began cave diving in 1952 and treasure hunting in Vigo Bay in 1953.
  12. ^ a b c d e Lord Kilbracken (May 1963). "The Long, Deep Dive". National Geographic. 123 (5). Washington, D.C.: National Geographic Society: 718–731.
  13. ^ Swan, Christopher (15 October 2009). "Historical Diving Society – In Memory of Andre Galerne". Historical Diving Society USA. Archived from the original on 27 September 2011. Retrieved 30 August 2011.
  14. ^ a b c d Clark, Martha; Eichelberger, Jeanne. "Edwin A. Link 1904–1981". Binghamton University Libraries. Archived from the original on 17 March 2012. Retrieved 26 August 2011.
  15. ^ Link, Edwin A. (April 1965). "Outpost Under the Ocean". National Geographic. 127 (4). Washington, D.C.: National Geographic Society: 530–533.
  16. ^ a b Sténuit, Robert (April 1965). "The Deepest Days". National Geographic. 127 (4). Washington, D.C.: National Geographic Society: 534–547.
  17. ^ a b MacInnis, Joe (1975). Underwater Man. New York: Dodd, Mead & Company. pp. 53–68. ISBN 0-396-07142-2. LCCN 75000680.
  18. ^ Hellwarth, Ben (2012). Sealab: America's Forgotten Quest to Live and Work on the Ocean Floor. New York: Simon & Schuster. pp. 102–103. ISBN 978-0-7432-4745-0. LCCN 2011015725.
  19. ^ Treasures of the Armada (Sténuit), p. 145.
  20. ^ a b Sténuit, Robert (1969). "Ireland's Rugged Coast Yields Priceless Relics of the Spanish Armada". National Geographic. 135 (6). Washington, D.C.: National Geographic Society: 745–777.
  21. ^ Treasures of the Armada (Sténuit), pp. 7, 170–171.
  22. ^ a b Sténuit, Robert (1975). "The Treasure of Porto Santo". National Geographic. 148 (2). Washington, D.C.: National Geographic Society: 260–275.
  23. ^ Treasures of the Armada (Sténuit), passim.
  24. ^ "Slot ter Hooge". Artifact Exchange International. 2008. Archived from the original on 26 September 2011. Retrieved 24 August 2011.
  25. ^ Lettens, Jan (3 January 2009). "Witte Leeuw [+1613] – Wreck Site". Retrieved 24 August 2011.
  26. ^ "De VOCsite : gegevens VOC-schip Leeuw, Witte 1601". de VOCsite. Retrieved 24 August 2011.
  • Subaqua, No. 208 September–October 2006
  • Robert Sténuit: Lumile tainice în care m-am scufundat (Secret worlds in which I dived). Editura Meridiane, Bucharest, 1991
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