The Christian theologian and biblical scholar Origen (ca. 185-ca. 254) is famous for the originality and power of his mind as well as for his vast learning and prolific writings. He was the most influential Christian theologian before St. Augustine and one of the most controversial Christian thinkers of all time.

Origen, whose full name was Origenes Adamantius, was born of Christian parents, probably in the Egyptian city of Alexandria. Forced to support the family because of his father's martyrdom before Origen was 20 years old, he taught grammar for a time and then became head of the Christian catechetical school in Alexandria. Devoting himself to the duties of this post for the next 12 years or so, Origen adopted notably ascetic habits of life. He extended his own studies to the point of attending the lectures of the Platonist philosopher Ammonius Saccas. During these years Origen also learned Hebrew and...