1835 - 1909 Person Name: Hans Henry Petersen, 1835–1909 Author of "Secret Prayer" in Hymns of the Church of Jesus Christ of Latter-day Saints An early Danish Mormon (baptized into the LDS church in 1853); emigrated to Utah 1862. Organized a Scandinavian choir in Salt Lake City. Moved to Hyrum, Utah, in 1868 and was active in local government as well as in the church, serving as choir director to the Hyrum stake.
--based on the Wikipedia article, much condensed
H. H. Petersen