List of explorers

:Expedition redirects here. See also explorations, sea explorers, astronaut, conquistador, travelogue, the History of Science and Technology and Biography. Also, see International Space Station for ISS explorers, and for the Ford Motor Company's large SUV, see Ford Expedition (especially replacing the Ford Excursion). For the science-fiction book, see Expedition (book).

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• René Robert Cavelier, Sieur de La Salle, (1643-1687) French merchant and explorer, explored Great Lakes, navigated Mississippi and looked for its delta
• João de Santarém (15th century Portuguese explorer of the Atlantic islands)
• Pedro Sarmiento de Gamboa
• Robert Falcon Scott, (1868-1912), reached the South Pole less than one month after Amundsen, but died on the return voyage
• Scylax of Caryanda - a Greek explorer sent by the king of Persia to sail down the Indus River and around Arabia to Egypt
• Tibor Sekelj Croatia, South America
• Mirko Seljan (1821-1912?(3)), Croatia,( Ethiopia, South America)
• Stjepan Seljan (1873-1936), Croatia, (Ethiopia, South America)
• Ernest Shackleton, (1874-1922), attempted to reach the South Pole and went further south than anyone before him
• Eric Shipton, (1907-1977), explored Himalayas & Patagonian icecap with Harold William Tilman
• Diogo Silves (15th century Portuguese explorer of the Atlantic islands)
• Pêro de Sintra (15th century Portuguese explorer of the African coast)
• William Smith (born around 1775), discovered South Shetland Islands
• Hernando de Soto, (died 1542), explorer
• Martim Afonso de Sousa (16th century Portuguese explorer and soldier in India)
• John Hanning Speke, (1827-1864), discovered Lake Victoria
• William Stairs, (1863-1892), Victorian explorer, discovered one source of the Nile River, first non-African to ever climb in the Ruwenzori.
• Henry Morton Stanley, (1841-1904), successfully searched for Livingstone in Africa; later explored Lake Victoria, Lake Tanganyika and the Congo River
• Marc Aurel Stein, Hungarian explorer of Central Asia
• John Lloyd Stephens (1805-1852) explored Middle East, Central America
• Sir Paul Edmund Strzelecki, (1793-1873), Polish explorer and geologist
• John McDouall Stuart (1815-1866), Scottish explorer of inland Australia
• Charles Sturt - Australian explorer
• Ignacije Szentmartony (1718-1793), Croatia (Jesuit, astronomer), Amazon River, Brazil