Creator
- Kronstien, Abraham1
- Kruyt, H. R. (Hugo Rudolph), 1882-1
- Krüger, Franz, 1797-18571
- Kuhn, Richard, 1900-19671
- Kuhn, Werner, 1899-19632
- Kunzinger, Arthur1
- Kusk, Gustave1
- Kögel, Max, 1860-19253
- Köhler, Fritz1
- Küster, Otto1
- Laenger, N.1
- Laeuger, Max, 1864-19521
- Lambie, Margaret4
- Landes, Richard1
- Landrum, G. W.1
- Landsberger, Herbert1
- Larson, Bon C.1
- Le Chatelier, Henri, 1850-19361
- Lee, Frank C.1
- Legion of Alien Volunteer Blood Donors1