Cornelis De Feijter 1907
Johannes Kohtz 1918
Albert Ivanov 1937
Anatoly Zinchuk 1937
Hemmo Axt 1942
Carl-Erik Spare 1945
Alexander N. Panchenko 1953
Andrew Greet 1979
Meindert Niemeijer 1987
Janis Klovans 2010
Since 1996
Cornelis De Feijter 1907
Johannes Kohtz 1918
Albert Ivanov 1937
Anatoly Zinchuk 1937
Hemmo Axt 1942
Carl-Erik Spare 1945
Alexander N. Panchenko 1953
Andrew Greet 1979
Meindert Niemeijer 1987
Janis Klovans 2010
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