Philosopher, son of the preceding, born at Cordova, and brought to Rome when a child; practised as a pleader at the bar, studied philosophy, and became the tutor of Nero; acquired great riches; was charged with conspiracy by Nero as a pretext, it is believed, to procure his wealth, and ordered to kill himself, which he did by opening his veins till he bled to death, a slow process and an agonising, owing to his age; he was of the Stoic school in philosophy, and wrote a number of treatises bearing chiefly on morals; d. A.D. 65.