Karel Janeček Search works
| Image |  |
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| Description | Czech philanthropist, mathematician, billionaire and entrepreneur (*1973) |
| Nationality | Czech Republic |
| Gender | male |
| Date of birth | July 26, 1973 |
| Occupation | mathematician, economist, entrepreneur, teacher |
| Place of birth | Plzeň |
| Country of birth | Czech Republic |
| Date of death | |
| Age | 51 |
| Wikipedia link | https://en.wikipedia.org/wiki/Karel_Jane%C4%8Dek |
| Commons link | https://commons.wikimedia.org/wiki/Category:Karel_Jane%C4%8Dek |
| Wikisource link | |
| Wikiquote link | |
| In public domain? | ✗ No |
| Missing/wrong data? | Edit Wikidata item |