Persons (903 to 927 of 1950)
| Name | Birth (min–max) | Death (min–max) | Related sources | Authored diagrams | |
|---|---|---|---|---|---|
| Jacops, Joseph | 1830 | 1906 | 0 | 0 | |
| Jacquet, Daniel | 1 | 0 | |||
| Jacquette, Dale | 1953 | 2016 | 4 | 16 | |
| Jamnik, Mateja | 1 | 0 | |||
| Janet, Paul | 1 | 2 | |||
| Janicki, Ryszard | 1 | 0 | |||
| Jannon, Jean | 1 | 0 | |||
| Jantke, Klaus P. | 1 | 0 | |||
| Jaspers, Dany | 1958 | 6 | 38 | ||
| Jaszlinszki, Andreas | 1715 | 1784 | 1 | 1 | |
| Javellus, Chrysostomus | 1465–1475 | 1538 | 7 | 0 | |
| Jeffries, Lesley | 1 | 1 | |||
| Jevons, William Stanley | 1835 | 1882 | 2 | 1 | |
| Jiménez de San José, Pedro | 1 | 0 | |||
| Jinmei, Yuan | 1 | 3 | |||
| Jodoigne, Georgius | 1 | 1 | |||
| Joerden, Jan C. | 1953 | 9 | 48 | ||
| Johansen, Mikkel Willum | 1 | 0 | |||
| Johanson, Carmen | 2 | 6 | |||
| Johns, Chris | 1 | 1 | |||
| Johnson, Richard | 1 | 0 | |||
| Johnson, W. E. | 1858 | 1931 | 1 | 10 | |
| Johnston, Spencer | 1986 | 2 | 1 | ||
| Jones, Emily Elizabeth Constance | 1 | 1 | |||
| Jorgensen, Paul C. | 1 | 0 |