Gunnar Mauritz Widforss, Swedish American, 1879 to 1934, watercolor painting on paper depicting a natural landscape, 1921. Signed by the artist lower right and dated. Matted and framed. Gunnar Widforss was an artist who specialized in painting subjects from the wilderness in watercolor. Widforss is most frequently associated with landscapes from American National Parks. Antique American Paintings And Art Collectibles.