US Navy. Born 29 Mar 1861 in Copenhagen, Denmark. Spanish-American War: Enlisted from Massachusetts. Mate. Awarded the Medal of Honor. On board the U.S.S. Wompatuck on 30 Jun 1898 at Manzanillo, Cuba, serving under the fire of the enemy, Muller displayed heroism and gallantry. Sources: (“America’s Medal of Honor Recipients”. Publ. 1977, pp 361, 1018)