Pope Clement 1. Was the third Pope after St Peter and then Linus. Although this time frame is disputed. He was Pope from 26 April 88 AD to 23 November 99 AD (credits to Wikipedia)
Very little is known of him. It was a period, an idyll? before the church gained wealth and political influence.
The background. There was during his time a large congregation existent in Rome. Paul wrote his letter to the Romans in 58 AD. Nero persecuted Christians after the burning of Rome in AD 64. and possibly Domitian after Nero.
His only known writing is the “letter to the church at Corinth.” advocating for bishops/presbytery not to be disposed from being rulers of the church. It is the first existent christian writing after the new testament.
He was sentenced to prison and exile in Greece under emperor Trajen. There tradition false or true: Says he saw a vision of a lamb on a hill. Dug a pick into the spot and released gushing water for the famished other prisoners. Many of whom converted. He was martyred – tied to an anchor and thrown in the Black sea. (So the tradition goes)