Jan Dirk van der Ploeg Search works
| Image |  |
|---|---|
| Description | university teacher at Leiden University |
| Nationality | Kingdom of the Netherlands |
| Gender | male |
| Date of birth | March 2, 1927 |
| Occupation | university teacher, pedagogue |
| Place of birth | Amsterdam |
| Country of birth | Netherlands |
| Date of death | April 4, 2025 |
| Age | 98 |
| Wikipedia link | |
| Commons link | |
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| In public domain? | ✗ No | Author will enter worldwide public domain on January 1, 2126 |
| Missing/wrong data? | Edit Wikidata item |