Dinocrates
From LSJ
τέχνη δὲ ἄνευ ἀλκῆς οὐδὲν ὠφελεῖ (Thucydides 2.87.4.6) → η τέχνη απαιτεί κουράγιο, skill without heart is useless
Dīnō̆crătes: is, m., = Δεινοκράτης,
I a Grecian architect in the time of Alexander the Great, Vitr. 2, praef. 1 sq.; Val. Max. 1, 4 extr. 1.