Mandrocles was an ancient Greek engineer from Samos who built a pontoon bridge over the Bosporus for King

Darius I Darius I ( peo, 𐎭𐎠𐎼𐎹𐎺𐎢𐏁 ; grc-gre, Δαρεῖος ; – 486 BCE), commonly known as Darius the Great, was a Persian ruler who served as the third King of Kings of the Achaemenid Empire, reigning from 522 BCE until his ...

to conquer Thrace. Mandrocles dedicated a painting, depicting the bridging of the straits, to the goddess Hera in the Heraion of Samos, commemorating his achievement.

References

Histories (Herodotus) The ''Histories'' ( el, Ἱστορίαι, ; also known as ''The History'') of Herodotus is considered the founding work of history in Western literature. Written around 430 BC in the Ionic dialect of classical Greek, ''The Histories'' serve ...

4. 88 ( Scythian campaign) Ancient Greek engineers Greek people of the Greco-Persian Wars Ancient Samians Achaemenid Thrace {{Greece-engineer-stub