- Kostov, Vladimir2
- Shevchenko, Arkady N.2
- Bar-Zohar, Michael1
- Brook-Shepherd, Gordon1
- Chambers, Whittaker1
- Dobson, Christopher1
- Felfe, Heinz1
- Hurt, Henry1
- Kettle, Michael1
- Kuzichkin, Vladimir1
- Minařík, Pavel1
- Moravec, Frantisek1
- Morgan, Ted1
- Orlov, Alexander1
- Pinto, Oreste1
- Stevenson, William1
- Szabó, Miklós1
- Słowikowski, Mieczysław Zygfryd1
- Van Der Rhoer, Edward1
- West, Nigel1