| Date | Person | Description |
|---|---|---|
| 1787 – 1790 | Abramsperg, Antoni | Teacher of architecture in Mstsislaw |
| Adányi, András | Teacher of rhetoric, Latin, poetry in Košice | |
| Adányi, András | Occupied himself with polemic theology, canon law, moral philosophy, scripture in Trnava | |
| 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 |
| 1711 – 1727 | Andrian, Karl | Occupied himself with philosophy, mathematics, canon law, cases of conscience in Trnava, Graz, Linz, Klagenfurt, Gorizia, Buda |
| 1797 – 1801 | Angiolini, Gaetano | Teacher of architecture in Vitebsk |
| von Apfaltern, Leopold | Teacher of mathematics, mechanics in Klagenfurt | |
| 1675 – 1679 | d'Aquino, Carlo | Teacher of Latin in Rome, Siena |
| Bayle, Anselme | Occupied himself with astronomical observations in Istanbul | |
| 1757 | Belgrado, Giacopo | Occupied himself with astronomical observations in Parma |
| Bellosier, Ignace | Teacher of philosophy, grammar, moral theology, controversial theology, canon law | |
| Béraud, Laurent | Occupied himself with astronomical observations, magnetism, meteorology, combustion in Lyon | |
| de Bèze, Claude | Occupied himself with astronomical observations | |
| Bombardi, Michael | Teacher of moral theology, dogmatic theology in Vienna, Graz, Linz | |
| Bonfa, Jean | Occupied himself with astronomical observations | |
| Bouvet, Joachim | Occupied himself with astronomical observations in Beijing | |
| du Breuil, Jean | Occupied himself with architecture | |
| Bruna, Franjo | Occupied himself with astronomical observations in Budapest |