He came from a renowned lineage of philosophers, being the grandson of the sophist Attalus and great-grandson of Polemon of Laodicea.
He studied under Claudius Rufinus Sophistes of Smyrna.
[1] Hermocrates died at the age of twenty-five, or twenty-eight, according to other accounts.
The writer Philostratus pronounces him one of the most distinguished rhetoricians of his age.
Dictionary of Greek and Roman Biography and Mythology.