During the First World War he worked in a branch of the German General Staff , which experimented in biological warfare .
Rudolf Nadolny ( 12 July 1873 -- 18 May 1953 ) was a German diplomat and military officer .
During the First World War Rudolf Nadolny worked in a branch of the German General Staff , which experimented in biological warfare .
Rudolf Nadolny ( 12 July 1873 -- 18 May 1953 ) was a German diplomat and military officer .