Norwegian poet and critic, born at Bergen on the 1st of January 1834; passed a portion of his youth in traveling; settled in Sweden in 1859; became docent at the University of Upsala in 1861; amanuensis at the National Museum in 1866; art teacher at Stockholm in 1868; and teacher in the Manual Training School in 1870. In 1875 he was made professor of the history of the fine arts at Christiania. His works, chiefly on art-history, are written, some in the Swedish language, some in the Norwegian, the best known being Outlines of the History of Norsk Poetry (1866).