- Labin, Suzanne1
- Lichtheim, George1
- Lifton, Robert Jay1
- Liu, Earnest1
- Lohwater, A. J.1
- Luxemburg, Rosa1
- Magos, Gábor1
- Magos-Gimes, Judit1
- Mao, Zedong1
- Marx, Karl1
- Metcalfe, John C.1
- Miklós Hollós1
- Miller, Wright Watts1
- Mongait, A. L.1
- Mosley, Oswald1
- Movses1
- Nollau, Günther1
- Norton, Howard Melvin1
- Nove, Alec1
- Payne, Stanley G.1