- Marx, Karl1
- Metcalfe, John C.1
- Miedzińska, Janina1
- Miklós Hollós1
- Miller, Wright Watts1
- Mongait, A. L.1
- Mosley, Oswald1
- Movses1
- Mękarski, Stefan1
- Nikolaev, O.1
- Nollau, Günther1
- Norton, Howard Melvin1
- Nove, Alec1
- Oraltay, Hasan1
- Pasternak, Boris Leonidovich1
- Payne, Stanley G.1
- Petrik, János1
- Pistrak, Lazar1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Popularno-vedecky film Bratislava 1