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2026Belgian Inventors - Paul Janssen - Sheetlets
- 15.06.2026
About Belgian Inventors - Paul Janssen
Portrait of Paul Janssen, supplemented with a fragment of Mendeleev's table. In our ‘Belgian inventors’ series, we pay tribute to Paul Janssen, the Belgian physician and pharmacologist, who developed some medicines that are still indispensable today. Five of his drugs are on the WHO's Essential Medicines List.
Belgium - Recommended stamp issues
WOPA+ recommended stamp issues
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