Persons (15 to 39 of 1955)
| Name | Birth (min–max) | Death (min–max) | Related sources | Authored diagrams | |
|---|---|---|---|---|---|
| Al-Fārābī | 870–872 | 950–951 | 1 | 0 | |
| Alberti, Marco | 1 | 2 | |||
| Albinus, Ioannes | 1 | 0 | |||
| Albu, Elena | 1 | 5 | |||
| Alcantara, Jean-Pascal | 1 | 7 | |||
| Aldrete, Bernardo | 1 | 1 | |||
| Aldrich, Henry | 1647 | 1710 | 8 | 9 | |
| Alexandre, J. | 1 | 0 | |||
| Almeida, João Paulo A. | 1 | 0 | |||
| Aloni, Maria | 1969 | 1 | 0 | ||
| Alonso de Malpartida, Francisco | 2 | 5 | |||
| Alsted, Johann Heinrich | 1588 | 1638 | 1 | 1 | |
| Alt, Guido | 1 | 3 | |||
| Altenstaig, Johann | 1480 | 1523–1525 | 1 | 2 | |
| Alunni, Charles | 1 | 0 | |||
| Alvarez, Enrique | 1 | 1 | |||
| Amadinus, Ricciardus | 1 | 0 | |||
| Amgoud, Leila | 1972 | 4 | 9 | ||
| Anagnostopoulos, Georgios | 1 | 0 | |||
| Anderson, Alan Ross | 1925 | 1973 | 1 | 11 | |
| Anderson, Gregory | 1 | 0 | |||
| Andreas, Antonius | 1275–1285 | 1320 | 2 | 12 | |
| Andrews, Mark | 1 | 5 | |||
| Anellis, Irving H. | 1946 | 2013 | 2 | 4 | |
| Ángeles Gil, Maria | 1 | 0 |