Evangelical.
Not apostle, as he never met Jesus; however, one could say he was the most influential missionary.
Also, one could argue he was an influential latent homosexual.
The most influential philosopher of the early medieval period was St. Augustine of Hippo.
Paul.
No doubt, Paul was the most influential proponent of the Christian gospel in the first century.
Paul.
John Calvin
Saint Augustine.
The Ancient Greek and Roman civilizations.
He was most influential musician in the early year of jazz
The Apostle Paul
No, he did not paint cubist art, but he inspired the cubists.
The Ancient Greek and Roman civilizations.
he was an influential writer and thinker he was an influential writer and thinker