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| 1. | | Salk, Jonas | | [American Microbiologist, 1914-1995] | | Quotes: 16 | | Categories: 7 | |
| 2. | | Sand, George | | [French Romantic writer, 1804-1876] | | Quotes: 33 | | Categories: 11 | |
| 3. | | Sandburg, Carl | | [American Historian, Poet and Novelist, 1878-1967] | | Quotes: 70 | | Categories: 29 | |
| 4. | | Santayana, George | | [Spanish born American Philosopher, Poet and Humanist who made important contributions to aesthetics, speculative philosophy and literary criticism. 1863-1952] | | Quotes: 198 | | Categories: 87 | |
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| 6. | | Saroyan, William | | [American Writer known for his stories celebrating the joy of living in spite of poverty. 1908-1981] | | Quotes: 60 | | Categories: 30 | |
| 7. | | Sartre, Jean-Paul | | [French existentialist philosopher and writer, 1905-1980] | | Quotes: 65 | | Categories: 22 | |
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| 10. | | Sawyer, Diane | | [American news anchor, Reporter and Journalist, b.1945] | | Quotes: 27 | | Categories: 3 | |
| 11. | | Schiller, Friedrich von | | [German Poet, Dramatist, Philosopher and Historian. 1759-1805] | | Quotes: 71 | | Categories: 36 | |
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| 15. | | Schumacher, E. F. | | [German born British Economist and Founder of the Intermediate Technology Development Group (1966). 1911-1977] | | Quotes: 13 | | Categories: 3 | |
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| 18. | | Schweitzer, Albert | | [German medical Missionary, Theologian, Musician and Philosopher. 1952 Nobel Peace Prize, 1875-1965] | | Quotes: 117 | | Categories: 56 | |
| 19. | | Scott, Walter | | [Scottish Novelist, Poet, Historian and Biographer, 1771-1832] | | Quotes: 85 | | Categories: 27 | |
| 20. | | Seneca | | [Roman philosopher, mid-1st century AD] | | Quotes: 459 | | Categories: 117 | |
