Muck, Karl (1859-1940), a German conductor, was principal conductor of the Boston Symphony Orchestra in 1906 and 1907, and again from 1912 to 1918. His second term in Boston ended when he was falsely accused of being a German spy, and was interned.
In 1892, Muck was appointed Kapellmeister (conductor), and in 1908, musical director of the Berlin Royal Opera. From 1922 to 1933 he led the Hamburg Philharmonic Orchestra. He conducted outstanding performances of Wagner’s Parsifal at the Bayreuth Festival from 1901 to 1932. He was born in Darmstadt.