Watercolour, 25,5 x 32 cm, lo. ri. dat. 23.VIII.10, small discolouration, unframed. - Prov.: From the artist"s family. - Landscape a. figure painter, studied in Paris, under L. Corinth in Berlin a. at the Weimar Academy, eldest son of Gerhard Hauptmann, friends with O. Müller, P. Signac, R. M. Rilke et. al., co-founder of the Freie Sezession Berlin. - Mus.: Hamburg (Kunsthalle, Altonaer Museum), Schleswig (SHLM) a. others. - Lit.: Thieme-Becker, Bénézit, Vollmer, Der Neue Rump a. others.