Clement of Rome lived at the close of the First Century. He wrote a book to the Church at Corinth some fifty years after Paul wrote to the church. There is a remarkable resemblance between the problems of the church as Clement wrote to it and the problems the church was suffering when Paul wrote to it. Human nature tends to repeat itself.
For more information, read the following article and reference the bibliography at the conclusion of the article. “Clement of Rome,” NIDCC, pp. 235-236.