EULER, Leonhard
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German Democratic Republic 1950
German Democratic Republic 1957
Soviet Union 1957
Switzerland 1957
Switzerland 1979
German Democratic Republic 1983
Russia 2007
Switzerland 2007
Switzerland 2007
Switzerland 2007
Switzerland 2007
Guinea 2009
Guinea-Bissau 2009
Guinea-Bissau 2009
South Korea 2014
Russia 2020