Persons (59 to 83 of 1956)
| Name | Birth (min–max) | Death (min–max) | Related sources | Authored diagrams | |
|---|---|---|---|---|---|
| Arnoldi von Usingen, Bartholomaeus | 1465 | 1532 | 2 | 0 | |
| Arnolphus | 2 | 2 | |||
| Arp, Robert | 2 | 2 | |||
| Arrazola, José | 1 | 0 | |||
| Arredondo y García, Agustín | 1 | 1 | |||
| Artikis, Alexander | 1 | 0 | |||
| Ascher, Edgar | 1 | 0 | |||
| Ashworth, E. Jennifer | 1939 | 3 | 14 | ||
| Aslam, Muhammad | 2 | 0 | |||
| Assimakopoulos, Stavros | 1 | 0 | |||
| Atanassov, Krassimir T. | 1 | 0 | |||
| Atlas, Jay David | 1 | 1 | |||
| Atwater, Lyman H. | 1813 | 1883 | 1 | 2 | |
| Aubert, Pierre | 1 | 0 | |||
| Aubrios, Daniel | 1 | 0 | |||
| Aubrios, David | 1 | 0 | |||
| Audenaert, Aegidius Franciscus | 1 | 1 | |||
| Auffret, Thomas | 1986 | 0 | 0 | ||
| Awodey, Steve | 1959 | 1 | 0 | ||
| Axinn, David | 1953 | 2017 | 1 | 0 | |
| Axinn, Sidney | 1923 | 2018 | 3 | 1 | |
| Bachman, Christine E. | 1 | 0 | |||
| Bachmann, Carl Friedrich | 1785 | 1855 | 1 | 1 | |
| Bacigalupo, Giuliano | 1 | 0 | |||
| Bäck, Allan | 1 | 0 |