| Aichinger, Ilse | (1921 - 2016) | 1 | Zitat |
| Aiken, Howard Hathaway | (1900 - 1973) | 1 | Zitat |
| Aimee, Anouk | (*1932) | 2 | Zitate |
| Aitken, Conrad | (1889 - 1973) | 1 | Zitat |
| Akademie der Wissenschaften Sankt Petersburg | | 1 | Zitat |
| al-Gaddafi, Muammar | (- 2011) | 4 | Zitate |
| Alacoque, Margareta Maria | (1647 - 1690) | 2 | Zitate |
| Alba, Jessica | (*1981) | 1 | Zitat |
| Albach-Retty, Wolf | (1906 - 1967) | 1 | Zitat |
| Albee, Edward | (1928 - 2016) | 2 | Zitate |
| Albers, Hans | (1891 - 1960) | 1 | Zitat |
| Alberti, Leon Battista | (1404 - 1472) | 2 | Zitate |
| Albertz, Heinrich | (1915 - 1993) | 3 | Zitate |
| Albright, Madeleine | (*1937) | 1 | Zitat |
| Alcott, Amos Bronson | (1799 - 1888) | 1 | Zitat |
| Alcott, Louis May | (1832 - 1888) | 2 | Zitate |
| Aldiss, Brian | (1925 - 2017) | 1 | Zitat |
| Aldrin, Edwin | (*1930) | 1 | Zitat |
| Alejchem, Scholem | (1859 - 1916) | 1 | Zitat |
| Alembert, Jean-Baptist le Rond | (1717 - 1783) | 2 | Zitate |
| Alexander, Peter | (1926 - 2011) | 3 | Zitate |
| Alexander, Severus | (208 - 235) | 1 | Zitat |
| Alexandrien, Shenouda III. | (1923 - 2012) | 1 | Zitat |
| Alexis, Willibald | (1798 - 1871) | 2 | Zitate |
| Alfieri, Vittorio | (1749 - 1803) | 3 | Zitate |
| Alfven, Hannes | (1908 - 1995) | 2 | Zitate |
| Ali, Muhammad | (1942 - 2016) | 17 | Zitate |
| Alighieri, Dante | (1265 - 1321) | 16 | Zitate |
| Allais, Alphonse | (1854 - 1905) | 11 | Zitate |
| Allen, Fred | (1894 - 1956) | 6 | Zitate |
| Allen, Frederick Lewis | (1890 - 1954) | 1 | Zitat |
| Allen, James | (1864 - 1912) | 17 | Zitate |
| Allen, Marty | (1922 - 2018) | 2 | Zitate |
| Allen, Woody | (*1935) | 8 | Zitate |
| Allende, Isabel | (*1942) | 2 | Zitate |
| Allmers, Herrmann Ludwig | (1821 - 1902) | 1 | Zitat |
| Alt, Franz | (*1938) | 7 | Zitate |
| Altenberg, Peter | (1859 - 1919) | 4 | Zitate |
| Alvensleben, Constantin | (1809 - 1892) | 1 | Zitat |
| Ambani, Mukesh | (*1957) | 2 | Zitate |
| Ambesser, Axel | (1910 - 1988) | 2 | Zitate |
| Amerongen, Otto Wolff | (1918 - 2007) | 1 | Zitat |
| Amery, Carl | (1922 - 2005) | 1 | Zitat |
| Amery, Jean | (1912 - 1978) | 1 | Zitat |
| Amiel, Henri-Frédéric | (1821 - 1881) | 26 | Zitate |
| Ampere, Andre-Marie | (1775 - 1836) | 1 | Zitat |
| Amsterdam, Morey | (1908 - 1996) | 1 | Zitat |
| Amundsen, Roald | (1872 - 1928) | 2 | Zitate |
| Amyot, Jacques | (1513 - 1593) | 1 | Zitat |
| Anaxagoras | (499 - 429 v. Chr.) | 7 | Zitate |