The North African theologian and apologist Tertullian (ca. 160-ca. 220) was the founder of Latin Christian theology. The first major Christian writer to use the Latin language, he gave to Latin Christian thought a decidedly legal stamp.

Born Quintus Septimius Florens Tertullianus in Carthage, the capital city of Roman Africa, Tertullian was the son of an army officer in a family that was not Christian. He received a full liberal education and entered the practice of law, living apparently for a time in Rome. In his mid-30s he was converted to Christianity and, back in Carthage, became one of the leading figures in the Christian community of that city, though he did not enter the ordained ministry.

Tertullian quickly took up the task of the written defense of the Christian Church in a setting in which violent persecution by the state was a recurring reality. His Apology, addressed...