People associated with undefined
- Pfeifer, Victor
- Pfeiffer, Emil
- Pfeiffer, J.
- Pfeiffer, Richard Friedrich Johannes
- Pfeiffer, Rudolf Arthur
- Pick, Ludwig
- Pilz, Hartmut
- Polle (Münchhausen), Polle
- Ponfick, Emil
- Priessnitz, Vincenz
- Puhl, Hugo
- Queckenstedt, Hans Heinrich Georg
- Quincke, Heinrich Irenaeus
- Rabe, Fritz
- Ranke, Karl Ernst
- Rautenstrauch, Thomas
- Recklinghausen, Friedrich Daniel von
- Rehn, Ludwig Wilhelm Carl
- Reichel, Friedrich Paul
- Reil, Johann Christian
- Reinhardt, Kurt
- Reinke, Friedrich Berthold
- Reis, Heinrich Maria Wilhelm
- Reiter, Hans Conrad Julius
- Remak, Robert