Hermas in Fausset's Bible Dictionary

One at Rome to whom Paul sends greeting (Romans 16:14). A Greek name. Irenaeus, Tertullian, and Origen attribute to him "The Shepherd," supposed by some to have been written in the episcopacy of Clement I; others deny Hermas of Romans 16 to be the author. Its author appears from internal evidence to have been married and to have had children, and to have been a lay mystic. Originally in Greek, but now only in a Latin version entire. An inferior kind of Pilgrim's Progress in three parts: the first has four visions, the second 12 spiritual precepts, the third ten similitudes shadowing forth each some truth. Each man, according to it, has a bad and a good angel, who endeavour to influence him for evil and good respectively.