FTP, name this physician to Marcus Aurelius and Commodus.
By tying off the recurrent laryngeal nerve, this man demonstrated that the brain controls the voice.  He noted seven pairs of cranial nerves and described the valves of the heart, showing that the arteries carry blood, not air.  The Arab physician Hynayn ibn Ishaq later translated this man's works into Arabic.  His services were retained by the high priest of Asia in Pergamum for his personal troop of gladiators.  FTP, name this physician to Marcus Aurelius and Commodus.
By tying off the recurrent laryngeal nerve, this man demonstrated that the brain controls the voice.  
Galen