Pope Clement I, also known as Saint Clement of Rome, was the fourth pope of the early Christian Church, serving from around 88 to 99 AD. He is traditionally recognized as one of the Apostolic Fathers, a group of early Christian writers who were believed to have connections with the apostles. His most notable work, the First Epistle of Clement, addressed issues of church leadership and unity, emphasizing the importance of humility and obedience. Clement is often associated with the city of Rome, where he is believed to have been martyred. His feast day is celebrated on November 23, and he is venerated as a saint in both the Roman Catholic Church and the Eastern Orthodox Church. His contributions to early Christian theology and church organization have had a lasting impact on the development of Christianity.