| Author | Popularity |
| Petrus, Pictaviensis, Cancellarius |
2 |
| Philippi, Hans |
2 |
| Pickerodt, Gerhart (Prof. Dr.) |
2 |
| Pigeot, Iris |
2 |
| Pinder, Wilhelm |
2 |
| Pirquet von Cesenatico, Clemens Peter |
2 |
| Plachter, Harald (Prof.) |
2 |
| Plant, Timothy (Prof. Dr.) |
2 |
| Plato |
2 |
| Podehl, Wolfgang |
2 |
| Polakova, Alexandra |
2 |
| Poppe, Erich (Prof. Dr.) |
2 |
| Porcu, Elisabetta |
2 |
| Pratt, Douglas |
2 |
| Preisig-Müller, Regina (PD Dr.) |
2 |
| Preußer, Christian |
2 |
| Prinz, Robert |
2 |
| Prof. Dr. B. Kadenbach |
2 |
| Prof. Dr. B. Maisch |
2 |
| Prof. Dr. Dr. J. H. Peter |
2 |