Etching with watercolour, 20,5 x 29 cm, lo. ri. monogr. and dat JH 86 and 'Kol. 21.10', matted and framed under glass. - One of the most important modern German draughtsmen a. graphic artists. J. studied at the Hamburg Landeskunstschule in A. Mahlau's classes of liberal a. applied arts. He merged the traditions of the Old Masters a. the achievements of modernism to create his own pictorial language.