Oscar Fredrik Bernadotte Byström (13 October 1821 – 22 July 1909) was a Swedish composer and scholar. Born in Stockholm into the family of a military officer, he followed his father in a military career and rose to the rank of captain by 1857. However, already in the 1840s he gained recognition as both a pianist and song composer, and by late 1850 Byström was active as a teacher. In 1866 he was ..