The idea that Paul wrote Hebrews is an unpopular one today, but throughout most of Christian history it was simply a given. Early on, the Church Father Origen famously and memorably put it this way: τίς δὲ ὁ γράψας τὴν ἐπιστολήν, τὸ μὲν ἀληθὲς θεὸς οἶδεν. But as for who wrote this letter, truly God…