| Date | Person | Description |
|---|---|---|
| Abad, Diego José | Teacher of philosophy, theology, literature | |
| 1787 – 1790 | Abramsperg, Antoni | Teacher of architecture in Mstsislaw |
| Adányi, András | Teacher of rhetoric, Latin, poetry in Košice | |
| d'Aix, François | Occupied himself with mathematics, astronomy | |
| 1751 | Alegre Capetillo, Francisco Javier | Teacher of literature in Mexico City |
| 1751 – 1752 | Alegre Capetillo, Francisco Javier | Teacher of literature in Veracruz |
| 1755 – 1763 | Alegre Capetillo, Francisco Javier | Teacher of literature in Havana |
| 1770 – | Alegre Capetillo, Francisco Javier | Teacher of mathematics, literature in Bologna |
| Aleni, Giulio | Aleni studied astronomy in Rome under Clavius | |
| de Almeida, José Bernardo | Occupied himself with mathematics, astronomy, astronomical observations, medicine, pharmaceutics | |
| Ambrogi, Antonio Maria | Teacher of rhetoric, poetics in Rome | |
| 1773 – 1781 | von Ambschell, Anton | Teacher of physics in Ljubljana |
| 1773 – 1784 | von Ambschell, Anton | Teacher of mathematics, physics in Ljubljana |
| von Ambschell, Anton | Teacher of physics, mechanics in Vienna | |
| Angiolini, Gaetano |
Studied theology, architecture, painting in Verona
After 1773 |
|
| 1797 – 1801 | Angiolini, Gaetano | Teacher of architecture in Vitebsk |
| 1675 – 1679 | d'Aquino, Carlo | Teacher of Latin in Rome, Siena |
| Arakiełowicz, Grzegorz | Occupied himself with physics, astronomy | |
| Aranha, Silvestre | Teacher of literature in Évora | |
| 1739 – 1741 | Arena, Filippo | Teacher of mathematics, physics in Caltagirone |