Persons (1309 to 1333 of 1956)
| Name | Birth (min–max) | Death (min–max) | Related sources | Authored diagrams | |
|---|---|---|---|---|---|
| Orenstein, Alex | 1936 | 2018 | 3 | 0 | |
| Oresme, Nicole | 3 | 0 | |||
| Ortiz, Didacus | 4 | 6 | |||
| Osorio, Mauricio | 1 | 0 | |||
| Otten, Petrus | 0 | 0 | |||
| Paasch, JT | 1 | 0 | |||
| Pabijutaitė, Živilė | 1 | 0 | |||
| Paganus, Theobaldus | 1 | 0 | |||
| Page, Martinus | 1761 | 3 | 3 | ||
| Pagnan, Ruggero | 3 | 3 | |||
| Palma, Silvia | 2 | 0 | |||
| Panger, Marinus | 1 | 2 | |||
| Papadopoulos, George | 1 | 0 | |||
| Papini, Odile | 1 | 0 | |||
| Papy, Jan | 1965 | 1 | 0 | ||
| Parent, Xavier | 1 | 0 | |||
| Paridanus, Henricus | 1 | 1 | |||
| Parker, John W. | 1 | 0 | |||
| Parker, S. | 1 | 0 | |||
| Parry, William T. | 1908 | 1988 | 2 | 8 | |
| Parsons, Terence | 1939 | 6 | 6 | ||
| Pascu, Anca | 2 | 1 | |||
| Pascucci, Matteo | 8 | 6 | |||
| Pasi, Gabriella | 1 | 0 | |||
| Pasnau, Robert | 1 | 0 |