Oil/artist"s board, 69 x 54 cm, sign. a. dat. lo. le. Heitmüller 19, min. rubbed. - Portrait painter between Realism a. New Objectivity, studied under F. von Stuck a. N. Gysis in Munich a. under L. Corinth in Berlin, in 1917 he became member of the Hannover secession. - Lit.: Thieme-Becker, Vollmer, Bénézit u.a.