Mandrocles

Mandrocles (Greek Μανδροκλῆς ) was a Greek architect upstream of the Asia Minor Ionian island of Samos, the I in the service of the Persian king Darius in 513 BC built a pontoon bridge across the Thracian Bosporus and thus the troops of Darius the way to Europe opened for a campaign against the Scythians. According to Herodotus should have crossed this bridge of boats across the Bosporus 70,000 men.

For his pioneering architectural Mandrocles was handsomely rewarded by Darius. From the resulting gifts he used some of it, to make a painting on which he was representing he built pontoon bridge, the seated Great King Darius and the transition of the Persian army to Europe, and put the painting in the Heraion of Samos as a votive offering on.