Names
- Kleffel, O.1
- Klein, Elias1
- Klopsteg, Paul E.1
- Knowles, Hugh Shaler, 1904-1
- Knudsen, Vern O.1
- Koch, Harlan C.1
- Kock, Winston E.1
- Kraus, Edward H.1
- Kruger, P. G.1
- Ladney, Michael, Jr.1
- Lake Superior State College1
- Lathem, Edward Connery1
- Lee, John J.1
- Leeds & Northrup Co.1
- Line, Winfield1
- Los Alamos Scientific Lab.1
- MacAdam, David L.1
- MacBeth Corporation1
- Mack, Mrs. Julian E.1
- Majumdar, K.1