skos:altLabel | - mathematician
- Optics
- found
- Euclid's
- Euclid's formula
- Greek mathematician
- Euclid's ''Elements''
- EUKLID
- Euclid of Alexandria
- Euclidis
- Eukleides of Alexandria
- Eukleidēs
- Euklidis
- Father of Geometry
- Greek Mathematician
- ancient Greek mathematician
- the mathematician
- writer of ''Elements''
- wrote extensively
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