Claim: Adolf Mosengel studied at the Kunstakademie Dusseldorf under Hans Gude (a Norwegian romanticist painter considered to be one of Norway's foremost landscape painters) in Paris from 1854-1857 and in Geneva with Alexandre Calame in 1861.
Evidence: From 1854 to 1857, Mosengel studied at the Kunstakademie Düsseldorf under Hans Gude, and from 1858 to 1859 in Paris. In 1861, he studied in Geneva with Alexandre Calame, before settling in Hamburg, where he joined the Hamburg Artists' Association. Hans Fredrik Gude (March 13, 1825 – August 17, 1903) was a Norwegian romanticist painter and is considered along with Johan Christian Dahl to be one of Norway's foremost landscape painters.