In this series, Benjamin Kolodziej reflects on several figures in American Lutheran sacred music history. This series is based on his new book Portraits in American Lutheran Sacred Music, 1847–1947, which is available now from Concordia Publishing House. Theodore Stelzer, as a professor at Concordia, Seward, always sought to ground his teaching in 1 Corinthians 9:22–23: “To the weak I became weak, to win the weak. I have become all things to all people so that by all possible means I mi...