Claus Haus (1930-2020), an artist born in Altenburg / Thuringia, studied at the master school for graphics and at the University of Fine Arts in Berlin and has been a scientific draftsman at the German Archaeological Institute in Berlin-Dahlem since 1971. ''November am Potsdamer Platz'', pencil and colored pencil drawing on paper, top left. related, u. left sign. u. dat. (19) 90, 71 x 79 cm, behind glass a. Pp. Ger. 90 x 98 cm