Dictionary/Ecclesiastical/Didymus the Blind
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Didymus the Blind (309-399). Doctor of the Church of Alexandria, Greek Father, born at Alexandria. Didymus was a writer of eminence; but of his numerous writings only a few remain, of which his Three Books on the Trinity, a work on The Holy Spirit, which St. Jerome translated into Latin, and a treatise Against the Manicheans are the principal.