| Kähler, E. |
| Kagan, Veniamin Fal'Kovich |
| Karapetoff, Vladimir |
| Kármán, Theodore (von) |
| Kármán, Theodore (von) |
| Kármán, Theodor (von) |
| Kármán, Theodor (von) |
| Karpinski, Louis Charles |
| Katz, David |
| Keck, Wilhelm |
| Keck, Wilhelm - Hotopp, Ludwig |
| Keller, C. |
| Kellogg, Oliver Diman |
| Kellogg, Oliver Diman |
| Kelvin, William Thomson lord |
| Kelvin, William Thomson lord |
| Kelvin, William Thomson lord - Guthrie, Peter |
| Kiepert, Ludwig |
| Kirkhoff, Gustav |
| Kirkhoff, Gustav |
| Kirkhoff, Gustav |
| Kirkhoff, Gustav |
| Kirkhoff, Gustav |
| Klein, Felix |
| Klein, Felix |
