Jan John
Czech chemist
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| Intro | Czech chemist | |
| Places | Czech Republic | |
| is | Chemist | |
| Work field | Science | |
| Gender |
| |
| Birth | 12 August 1953 | |
| Age | 71 years | |
| Star sign | Leo |
| Intro | Czech chemist | |
| Places | Czech Republic | |
| is | Chemist | |
| Work field | Science | |
| Gender |
| |
| Birth | 12 August 1953 | |
| Age | 71 years | |
| Star sign | Leo |