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| 1. | | MacArthur, Douglas | | [American General who commanded the Southwest Pacific Theatre in World War II, 1880-1964] | | Quotes: 63 | | Categories: 37 | |
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| 3. | | Machiavelli, Niccolo | | [Italian writer and statesman, Florentine patriot, author of 'The Prince', 1469-1527] | | Quotes: 102 | | Categories: 43 | |
| 4. | | MacLaine, Shirley | | [Outspoken American actress and dancer, b.1934] | | Quotes: 67 | | Categories: 8 | |
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| 6. | | Mandela, Nelson | | [South African Statesman First democratically elected State President of South Africa (1994), 1993 Nobel Prize for Peace, b.1918] | | Quotes: 155 | | Categories: 40 | |
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| 8. | | Martin, Dean | | [American Actor and Singer. 1917-1995] | | Quotes: 13 | | Categories: 1 | |
| 9. | | Martin, Steve | | [American Comedian, Writer, Producer, Actor and Musician. b.1945] | | Quotes: 77 | | Categories: 9 | |
| 10. | | Marx, Groucho | | [American Comedian, Actor and Singer, 1890-1977] | | Quotes: 129 | | Categories: 36 | |
| 11. | | Marx, Karl | | [German political Philosopher and revolutionary, 1818-1883] | | Quotes: 94 | | Categories: 22 | |
| 12. | | Maslow, Abraham | | [American Philosopher and Psychologist, 1908-1970] | | Quotes: 56 | | Categories: 42 | |
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| 15. | | McCarthy, Eugene J. | | [American democratic Senator from Minnesota, b.1916] | | Quotes: 13 | | Categories: 8 | |
| 16. | | McLuhan, Marshall | | [Canadian communications theorist Educator, Writer and Social Reformer, 1911-1980] | | Quotes: 131 | | Categories: 61 | |
| 17. | | Medawar, Peter B. | | [Brazilian born British Zoologist, 1915-1987] | | Quotes: 4 | | Categories: 5 | |
| 18. | | Melville, Herman | | [American short-story Writer, Novelist and Poet. Best known for his novels of the sea, including his masterpiece, Moby Dick. 1819-1891] | | Quotes: 83 | | Categories: 25 | |
| 19. | | Mencken, Henry Louis | | [American humorous Journalist and Critic of American life who influenced US fiction through the 1920s, 1880-1956] | | Quotes: 381 | | Categories: 121 | |
| 20. | | Michener, James A. | | [U.S. novelist and short-story writer, 1907?-1997] | | Quotes: 23 | | Categories: 11 | |