Sostratus of Cnidus

Sostratus of Cnidus was a Greek architect and engineer, known for being the architect of the Lighthouse of Alexandria, one of the.

Sometime after the completion of the lighthouse, Sostratus issued a note to soldiers garrisoned in the lighthouse, tasking them to regularly inspect the light-coloured stones that were reinforced with molten lead to protect the walls from the crashing ocean waves.

Reference

 * Assassin's Creed: Origins