| 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 |
| 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 |
| 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 | |
| 1758 – 1760 | Bedeković, Kazimir | Teacher of controversial theology in Zagreb |
| 1576 – 1587 | Belarmino, Roberto | Teacher of controversial theology in Rome |
| Bellosier, Ignace | Teacher of philosophy, grammar, moral theology, controversial theology, canon law | |
| Béraud, Laurent | Occupied himself with astronomical observations, magnetism, meteorology, combustion in Lyon | |
| Bohomolec, Jan | Studied mathematics, astronomy in Prague | |
| Bonanni, Filippo | Bonanni studied physics and engineering in Rome under Eschinardi | |
| Borrasa, Matías | Occupied himself with philosophy, theology, mathematics, astronomy, geometry, music |