Oil/cardboard, 72,5 x 51 cm, lo. ri. sign. a. dat. HP Feddersen 1892 as well as inscribed Kl. Koog. - One of the most important North German landscape painters of international reputation, studied at the Düsseldorf academy under O. Achenbach a. in Weimar under Th. Hagen, worked a. lived in Kleiseerkoog near Niebüll. - Lit.: Boetticher, Thieme-Becker, Bénézit, Martius/Stubbe "Der Maler H.P.F." (1966), Bieske "H.P.F." (1998), Schulte-Wülwer "Sehnsucht nach Arkadien".