| Important ideas/contributions | Name |
| The earliest Protestant reformer. | |
| Evangelical Methodist and founder of the Salvationist movement. | |
| Influential German who coined the phrase 'religionless Christianity' and strongly opposed Nazism, both before and during WWII. | |
| Perhaps the most influential Natural theologian of Scholastic Catholicism. | |
| Wrote works such as 'Confessions' & 'City of God' which were foundational to the theology of the early Catholic Church. | |
| Anglo-catholic and leading member of the Oxford Movement. | |
| Friend of the birds and the bees. | |
| Prominent Anglican and Evangelical apologetics writer who controversially accepts annihilationism. | |
| 20th century German Protestant who emphasized that God shares our pain. | |
| American preacher at the time of the first Great Awakening, famous for his sermon 'Sinners in the Hands of an Angry God'. | |
| Opposed the Arian Heresy, and proposed what is now known as the Orthodox doctrine of Theosis. | |