Josef Johann, Ritter Von MANN

Josef Johann Mann (19 May 1804 – 20 March 1889), or Johann Josef Ritter von Mann, was a German Bohemian entomologist and a specialist in Lepidoptera.

Mann was born in Jablonné v Podještědí, Bohemia (present-day Czech Republic). He was a painter, expedition collector and preparator at the Hofkabinet in Vienna, Austria. Mann worked with the curator Alois Friedrich Rogenhofer. He died in Vienna.

source https://en.wikipedia.org/wiki/Josef_Johann_Mann