Benjamin Johnson Lang
Benjamin Johnson Lang (December 28, 1837 – April 3 or 4, 1909) was an American conductor, pianist, organist, teacher and composer. He introduced a large amount of music to American audiences, including the world premiere of Pyotr Ilyich Tchaikovsky's Piano Concerto No. 1, which he conducted in Boston in 1875. His daughter Margaret Ruthven Lang was an accomplished composer.