Polish language
Holzer, Ryszard; , New Haven, Connecticut. 1987
Jasinski, Miroslaw; , Prague, Czechoslovakia. 1990 October 16
Mocko, Marian and Maciej Tonski; , Stocznia Gdanska. 1991 April 3
Czech language
Bergmann, Pavel; , , and , Prague. 1990 July 9 1990 October 1991 March
Palouš, Martin; , Prague. 1990 October 18
Penc, Stanislav; , Prague. 1990 October 18
Šiklov, Jiřina; , , Prague. 1990 July-October 1991 March 15
English language
Modzelewski, Karol; , , Warsaw and New Haven, Connecticut. 1991 May 11 1992 September 29
Skwornowski, Robert; , Albany, California. 1990 December 12
German language
Frenzel, Michael; , East Berlin. 1990 July 16
Klingenberg, Reinhard and Christine; 1990 July 16 and October
Templin, Wolfgang and Lotte; , West Berlin. 1988 August