All Authors
| Author | Born on | Died |
|---|---|---|
| Robert Lacey | January 3, 1944 | - |
| Robert Lansing | October 17, 1864 | October 30, 1928 |
| Robert Lanza | February 11, 1956 | - |
| Robert LaSardo | September 20, 1963 | - |
| Robert Laurent | 1890 | 1970 |
| Robert Lefkowitz | April 15, 1943 | - |
| Robert Littell | January 8, 1935 | - |
| Robert Lloyd | 1733 | 1764 |
| Robert Loggia | January 3, 1930 | December 4, 2015 |
| Robert Loomis | 1926 | - |
| Robert Lopez | February 23, 1975 | - |
| Robert Lorenz | April 1, 1965 | - |
| Robert Louis Stevenson | November 13, 1850 | December 3, 1894 |
| Robert Love | 1981 | - |
| Robert Lowell | March 1, 1917 | September 12, 1977 |
| Robert Ludlum | May 25, 1927 | March 12, 2001 |
| Robert Luskin | January 21, 1950 | - |
| Robert Lutz | February 12, 1932 | - |
| Robert M. Gates | September 25, 1943 | - |
| Robert M. Hutchins | January 17, 1899 | May 17, 1977 |