Persons (5 to 29 of 1956)
| Name | Birth (min–max) | Death (min–max) | Related sources | Authored diagrams | |
|---|---|---|---|---|---|
| a Villanova, Josephus | 1 | 3 | |||
| Abaelardus, Petrus | 1079 | 1142 | 4 | 2 | |
| Abbruzzese, Roberto | 1 | 11 | |||
| Abeles, Francine F. | 1935 | 2 | 2 | ||
| Aberdein, Andrew | 1 | 4 | |||
| Abrusci, V. Michele | 1 | 1 | |||
| Afshar, Mohammad | 2 | 3 | |||
| Aho, Tuomo | 1 | 2 | |||
| Akçelik, Oğuz | 1 | 2 | |||
| Åkerlund, Erik | 1 | 1 | |||
| 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 |