It would help if the question said what hero of Alexandria is supposed to have done (or not done). But since you have not bothered to provide that crucial bit of information, I cannot provide a more useful answer.
Heron of Alexandria.
Alexander the great, 96% probable
I believe the man who discovered it was Heron (or Hero) of Alexandria.
Archimedes, Thales, Hero of Alexandria etc etc
Since the first recorded rudimentary steam engine being the AEOLIPILE described by Hero of Alexandria from Alexandria Egypt.
Heron of Alexandria was born in the year 20
Ancint Alexandria is lying in the medditerranian bay off the shore of the modern day city of Alexandria.
THE QUESTION HAS MANY POSSIBILITYS hero is said to have used his invention to open temple doors I hope that helps... Hero of questionria
She was beheaded about the year 305 in Alexandria, Egypt.
I dont know how he died... I am trying to look for it but cant find it xc
Hero (or Heron) of Alexandria(Greek:Ήρων ο Αλεξανδρεύς) (c. 10
Hero of Alexandria (around 60 a.d.) aka Heron, Greece