Attalus the Stoic was an influential philosopher in ancient Greece. He was born in the 4th century BC and is best known for his Stoic philosophy, which emphasized the importance of self-control and the ability to accept life’
From Wikipedia
Attalus was a Stoic philosopher in the reign of Tiberius around 25 AD. He was defrauded of his property by Sejanus, and exiled where he was reduced to cultivating the ground. The elder Seneca describes him as a man of great eloquence, and by far the acutest philosopher of his age.