- Kostov, Vladimir2
- Shevchenko, Arkady N.2
- Stevenson, William2
- Bar-Zohar, Michael1
- Brook-Shepherd, Gordon1
- Costello, John1
- Dobson, Christopher1
- Felfe, Heinz1
- Heaps, Leo1
- Hurt, Henry1
- Kettle, Michael1
- Krivitsky, W. G.1
- Page, Bruce1
- Read, Anthony1
- Szabó, Miklós1
- Van Der Rhoer, Edward1
- West, Nigel1
- Wynne, Greville1
- Yost, Graham1