Commentaries on Galatians-Philemon - Hardcoverby Ambrosiaster (Author), Gerald L. Bray (Translator) Ambrosiaster ("Star of Ambrose") is the name given to the anonymous author of the earliest complete Latin commentary on the thirteen epistles of Paul. The commentaries were thought to have been written by Ambrose throughout the Middle Ages, but their authorship was challenged by Erasmus, whose arguments have proved decisive. The commentaries, which serve as important witnesses to pre Vulgate Latin