 Konstanty Korniakt

Konstanty Korniakt (, Konstantinos Korniaktos; c. 1517 – August 1, 1603) was a merchant of Greek descent, active throughout Central and Eastern Europe; a leaseholder of royal tolls who collected customs duty on behalf of the king.During his lifetime he was the wealthiest man in Lviv (Lwów, in Polish) and even owned numerous villages.