The stock image is a portrait of Tacitus, a Roman historian and politician who lived in the first century AD. The portrait depicts him as a mature man with a serious expression, wearing a toga and a laurel wreath on his head.
Tacitus is known for his writings on Roman history and politics, including his Annals and Histories, which provide valuable insights into the reigns of the emperors from Tiberius to Domitian.
His works also provide detailed accounts of major events such as the Great Fire of Rome, the persecution of Christians under Nero, and the Batavian rebellion.
Tacitus is widely regarded as one of the greatest historians of ancient Rome, and his works continue to be studied and admired today.