| Date | Person | Description |
|---|---|---|
| de Abreu, Sebastião | Occupied himself with philosophy, moral theology in Évora | |
| Adányi, András | Occupied himself with polemic theology, canon law, moral philosophy, scripture in Trnava | |
| Agosti, Joseph | Teacher of moral theology in Fidenza | |
| d'Aix, François | Occupied himself with mathematics, astronomy | |
| Aleni, Giulio | Aleni studied astronomy in Rome under Clavius | |
| de Almeida, José Bernardo | Occupied himself with mathematics, astronomy, astronomical observations, medicine, pharmaceutics | |
| von Ambschell, Anton | Teacher of physics, mechanics in Vienna | |
| 1750 – 1793 | Amiot, Jean Joseph-Marie | Occupied himself with astronomical observations, magnetism in China |
| 1661 – 1671 | Amrhyn, Beat | Teacher of scholastic theology in Ingolstadt |
| 1729 – 1745 | Andrian, Karl | Teacher of history in Graz |
| von Apfaltern, Leopold | Teacher of mathematics, mechanics in Klagenfurt | |
| Aquino, Jean | Teacher of philosophy, moral theology, scholastic theology in Naples | |
| 1768 – 1769 | Arakiełowicz, Grzegorz | Teacher of moral theology in Kremenets |
| Arakiełowicz, Grzegorz | Occupied himself with physics, astronomy | |
| Aranha, Silvestre | Teacher of philosophy, moral theology, scripture in Coimbra | |
| Arzet, Andreas | Teacher of rhetoric, mathematics, moral theology | |
| Beati, Gabriele | Teacher of philosophy, mathematics, physics, moral theology, logic, natural philosophy in Rome | |
| 1758 – 1760 | Bedeković, Kazimir | Teacher of controversial theology in Zagreb |
| 1760 – 1762 | Bedeković, Kazimir | Teacher of history in Trnava |
| 1762 – 1764 | Bedeković, Kazimir | Teacher of history in Zagreb |