Nicola Perscheid; The industrialist Gustav Krupp von Bohlen und Halbach and his family; Villa H黦el; Essen; 1928; Staatliche Landesbildstelle Hamburg; collection on the history of photography; silver gelatin paper; black and white positive process; image size: height: 17.00 cm; width: 22.40 cm; signed: recto u. right. on the cardboard: in lead: N.Perscheid; portrait photography; group portrait; family relations/generations; historical person; iron and steel industry