| Date | Person | Description |
|---|---|---|
| 1787 – 1790 | Abramsperg, Antoni | Teacher of architecture in Mstsislaw |
| 1783 | Abramsperg, Antoni | Teacher of mathematics, French, German in Mstsislaw |
| 1784 – 1785 | Abramsperg, Antoni | Teacher of mathematics, French, German in Vitebsk |
| 1785 – 1786 | Abramsperg, Antoni | Teacher of mathematics, French, German in Daugavpils |
| 1592 – 1599 | Adriaensens, Corneille | Teacher of philosophy, mathematics, Hebrew in Ingolstadt |
| Aigenler, Adam | Occupied himself with mathematics, Hebrew in Ingolstadt | |
| 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 |
| 1761 – 1764 | Amman, Cäsar | Teacher of mathematics, Hebrew in Dillingen an der Donau |
| Amman, Cäsar | Teacher of Hebrew in Ingolstadt | |
| Angiolini, Gaetano |
Studied theology, architecture, painting in Verona
After 1773 |
|
| 1797 – 1801 | Angiolini, Gaetano | Teacher of architecture in Vitebsk |
| von Apfaltern, Leopold | Teacher of mathematics, mechanics in Klagenfurt | |
| Arakiełowicz, Grzegorz | Occupied himself with physics, astronomy | |
| 1747 – 1750 | Arbosch, Heinrich | Teacher of Greek, catechesis in Cologne |
| Barca, Joseph Marie | Teacher of rhetoric, mathematics, Hebrew in Messina | |
| Béraud, Laurent | Occupied himself with astronomical observations, magnetism, meteorology, combustion in Lyon |