The authorship of the book of Hebrews is a subject of debate among scholars, and there is no consensus on who wrote it. However, from an evangelical Christian perspective, the most likely author of Hebrews is the apostle Paul. This belief is based on the writing style and theological content of Hebrews, which are similar to Paul’s other letters.

In Hebrews 1:3, the author describes Jesus as the “radiance of God’s glory and the exact representation of his being.” This verse emphasizes the deity of Christ and his role in creation and redemption, which aligns with Paul’s teachings in his other letters.

Additionally, early church fathers such as Clement of Alexandria and Origen attributed the book of Hebrews to Paul, further supporting the evangelical belief in Pauline authorship.

Overall, while the authorship of Hebrews remains uncertain, evangelical Christians generally believe that the apostle Paul is the most likely author of the book, including Hebrews 1:3.