One reason that Paul may have authored Hebrews is that both Hebrews and 1 Corinthians mention the giving of gifts by the Holy Spirit. The author of Hebrews list several personal examples of faith. From this list select the one Biblical character that is not mentioned by the author of Hebrews in Hebrews 11:1-40.
The traditional view of the Christian church has long held that John the apostle was the author of the Revelation as well as the Gospel and epistles that bear his name. As a sinless priest, Jesus did not have to offer sacrifices for Himself as Aaron did.