Bruchsal, Baden-Württemberg, Germany
Specialist in antique "kleinkunst" (smaller works of painting, ceramics and sculpture). Zahn wrote his dissertation in Berlin under Friedrich von Duhn (q.v.). Zahn spent his career at the the Antiquities Section of the Berliner Museum, serving as Second Director 1918-1931 and First Director 1931-1935 of the section. He declined a call to Heidelberg University in 1920. He was made Honorarprofessor at Berlin University 1928-1936.
Archäologenbildnisse: Porträts und Kurzbiographien von Klassichen Archäologen deutscher Sprache. Reinhard Lullies, ed. Mainz am Rhein: Verlag Philipp von Zabern, 1988: 175-176.