Answer: The Diadochi (successors): Lysimachus, Cassander, Ptolemy I, Seleucos I.
Explanation: When Alexander died his Empire was divided among his four generals. They were known as Diadochi, which means "successors".
They were:
Lysimachus - who ruled Thrace and much of Asia Minor.
Cassander - took Macedonia and Greece.
Ptolemy I - controlled Egypt, Palestine, Cilicia, Petra and Cyprus.
Seleucos I- ruled the rest of Asia and founded the Seleucid Empire which was comprised of Mesopotamia, the Levant, Persia, and part of India.
