All Authors
| Author | Born on | Died |
|---|---|---|
| Otis Redding | September 9, 1941 | December 10, 1967 |
| Otis Rush | April 29, 1934 | - |
| Otis Williams | October 30, 1939 | - |
| Ottessa Moshfegh | - | - |
| Otto Bauer | September 5, 1881 | July 4, 1938 |
| Otto Dix | December 2, 1891 | July 25, 1969 |
| Otto Frank | May 12, 1889 | August 19, 1980 |
| Otto Hahn | March 8, 1879 | July 28, 1968 |
| Otto Heinrich Warburg | October 8, 1883 | August 1, 1970 |
| Otto Hermann Kahn | February 21, 1867 | March 29, 1934 |
| Otto Lilienthal | May 23, 1848 | August 10, 1896 |
| Otto Loewi | June 3, 1873 | December 25, 1961 |
| Otto Penzler | July 8, 1942 | - |
| Otto Preminger | December 5, 1906 | April 23, 1986 |
| Otto Rank | April 22, 1884 | October 31, 1939 |
| Otto Schily | July 20, 1932 | - |
| Otto von Bismarck | April 1, 1815 | June 30, 1898 |
| Otto Wallach | March 27, 1847 | February 26, 1931 |
| Otto Weininger | April 3, 1880 | October 4, 1903 |
| Ouida | January 7, 1839 | January 25, 1908 |