Hans Rudi Erdt Aviatik. Title the name of a German manufacturing company established in Leipzig in 1916. It was best known for producing reconnaissance aircraft. Toward the end of the war it also manufactured fighters. Hans Rudi Erdt is one of the best and most innovative of German artists. Striking design shows a biplane superimposed over a pilot wrapped against the cold that enveloped early open cockpits with a hat and scarf. 13×9 matted.