Lutherans are Protestants Robin not reformed. They separated with the Reformed when it came to the Lord's supper Luther kept repeating Hoc est corpus meum (this is my body)ie: consubstantiation. Also there was twenty five years between the two men so in reality Calvin was the next generation of reformers.

Peter

If you believe what you like in the gospels, and reject what you don't like, it is not the gospel you believe, but yourself. Augustine of Hippo