| Author | Popularity |
| Przyborski, Jude (Prof. Dr.) |
2 |
| Pyell, Ute (Prof.) |
2 |
| Quell, Lea |
2 |
| Radziwill, Roland (Prof. Dr.) |
2 |
| Raifer, Hartmann |
2 |
| Raine, Susan |
2 |
| Ramos, Maria |
2 |
| Ramsel, Carsten |
2 |
| Randau, Lennart (Dr. rer. nat.) |
2 |
| Ranke, Ernst |
2 |
| Ransom, Frederick |
2 |
| Raspe, Rudolf Erich |
2 |
| Rathke, Christina (Dr.) |
2 |
| Reckziegel, Alexander |
2 |
| Rehwald, Stephanie |
2 |
| Reith, Sascha |
2 |
| Reitz, Johan Henrich [Vorr.] |
2 |
| Renkawitz-Pohl, Renate |
2 |
| Renz, Harald (Prof.) |
2 |
| Reuter, Christian |
2 |