Johan Halvorsen (15 March 1864 – 4 December 1935) was a Norwegian composer, conductor and violinist.Born in Drammen, he was an accomplished violinist from a very early age and became a prominent figure in Norwegian musical life. He received his musical education in Kristiania (now Oslo) and Stockholm, and was a concertmaster in Bergen before joining the Leipzig Gewandhaus Orchestra. He was a concertmaster in Aberdeen, then a professor of music in Helsinki, and finally became a student once again, in St Petersburg, Leipzig (with Adolph Brodsky), Berlin (with Adolf Becker), and Liège (with César Thomson).