Arno Arthur Wachmann
Arno Arthur Wachmann was a German astronomer and discoverer of comets and minor planets, who worked for many years at the Bergedorf Observatory in Hamburg.
With Arnold Schwassmann he co-discovered the periodic comets 29P/Schwassmann–Wachmann, 31P/Schwassmann–Wachmann and 73P/Schwassmann–Wachmann. The Minor Planet Center credits him with the discovery of 3 asteroids during 1938–1939.
The inner main-belt asteroid 1704 Wachmann was named in his honor.