Tertullian (c.155 AD -220AD) Prolific early Christian Author First to write in Latin

Tertullian was born in Carthage, modern Tunis in North Africa about 160 AD. He was fluent in Greek and Latin. He moved to Rome where he practiced as a lawyer

He became a Christian about 195 AD and he began to use his legal and writing skills to champion his new faith.

At some point he returned to Carthage and threw himself into the life of his local church as a layman who taught and occasionally preached. Several of his writings, that remain, are in sermon form. He acted as the church’s
spokesperson against the heresies within Christendom.

At some point he joined the Montanists - an ascetic break-away group.

Over 36 treatises are attributed to his name. His style of writing
earned him the title 'the fierce Tertullian - he wrote with zeal and passion

He was one of a group of second century writers known as ‘apologists’ who on intellectual grounds put together s defence for Christianity. Up to this point believers had suffered without protests. Apologists countered by explaining the case for Christianity and refuting the false charges against them.

He was the first to use certain terminology ** New Testament, penitence, resurrection, sacrament, Trinity

Tertullian is remembered as the most prolific Christian writer of the second century and the major theologian of the West until the time of Augustine in the fourth century. 70 Great Christians by Geoffrey Hanks

Sources
Wikipedia
70 Great Christians by Geoffrey Hanks