Among the admirers of Zeno was king Antigonus II Gonatas of Macedonia, who, whenever he came to Athens, would visit Zeno. Zeno is said to have declined an invitation to visit Antigonus in Macedonia, although their supposed correspondence preserved by Laërtius is undoubtedly the invention of a later writer. Zeno instead sent his friend and disciple Persaeus, who had lived with Zeno in his house. Among Zeno's other pupils there were Aristo of Chios, Sphaerus, and Cleanthes who succeeded Zeno as the head ("scholarch") of the Stoic school in Athens.