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Saif al-Islam al-Gaddafi | engineer and politician (1972–2026) |
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Saifedean Ammous | economist and author (b. 1980) |
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Salman Khan | American educator (born 1976) |
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Salvador Allende | 28th president of Chile (1908–1973 |
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Samuel P. Huntington | American political scientist (1927–2008) |
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Satyendra Nath Bose | Indian Bengali physicist and polymath (1894–1974) |
| SB | Scott Burns | American computer engineer and music producer |
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Scott Nearing | American activist (1883–1983) |
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Sean Parker | American entrepreneur, programmer and philanthropist |
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Sebastian Thrun | German-American entrepreneur (born 1967) |
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Sergei Korolev | Soviet rocket engineer and spacecraft designer (1907-1966) |
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Sergey Shoygu | Secretary of the Security Council of the Russian Federation since 2024 and former Russian defense minister |
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Sergey V. Krivovichev | Russian mineralogist and crystallographer; geology faculty, St. Petersburg State University |
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Serhiy Arbuzov | Ukrainian politician |
| SB | Seth Bullock | researcher |
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Seth Lloyd | American engineer |
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Shahn Majid | Indian-born British mathematician and physicist (1960–) |
| S | Shevek | fictional character from The Dispossessed |
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Shigeru Miyamoto | Japanese video game designer (born 1952) |
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Shing-Tung Yau | American mathematician from Hong Kong |
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Sidney Webb | English socialist economist, 1859–1947 (1859–1947) |
| S | Spider-Man | fictional character from Spider-Man |
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Stanislav Grof | Czech pychiatrist |
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Stephen Duneier | Global head fund manager, strategy consultant, author |
| SA | Steve Andreas | American psychotherapist/author |
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Steve Hanke | American neoliberal economist |
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Steve Keen | Australian economist |
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Steven H. Strogatz | American mathematician |
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Steven M. Greer | American ufologist |
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Steven Weinberg | American theoretical physicist (1933-2021) |
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Stuart Hameroff | American anesthesiologist |
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Sundar Pichai | Indian-American business executive, CEO of Google LLC & Alphabet Inc. |
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Susan David | South African psychologist |
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Susan M. Collins | US scholar in the fields of Economy and Public Policy |
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Tadeusz Kościuszko | Polish and American military leader |
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Talcott Parsons | American sociologist (1902 – 1979) |
| TB | Tara Brach | American Buddhist teacher |
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Ted Kord | fictional character from Batman: The Brave and the Bold |
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Theodore Millon | American psychologist & academic (1928-2014) |
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Theodor Lessing | German philosopher (1872–1933) |
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Thilo Sarrazin | German economist and politician |
| TM | Thomas Moore | American psychotherapist |
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Thomas Reid | Scottish philosopher (1710–1796) |
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Thomas Woods | American academic (born 1972) |
| TMG | Thorsten M Gesing | researcher |
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Timothy Peake | British Army Air Corps officer and astronaut |
| TK | Tom Kilburn | British electrical engineer (1921–2001) |
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Trofim Lysenko | Soviet agronomist and biologist (1898-1976) |
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Tyler Winklevoss | American businessman and rower |
| US | Urs Schreiber | mathematician |