Rudolf Ferdinand Spitaler
![Portrait of Rudolf Ferdinand Spitaler](https://upload.wikimedia.org/wikipedia/commons/e/e3/Rudolf_Ferdinand_Spitaler.png)
He discovered 64 IC objects whilst working at Vienna Observatory and Comet 113P/Spitaler.
He was one of the first to speculate the existence of a 13th zodiacal constellation, which later became known as Ophiuchus. Provided by Wikipedia
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Published: 1940
Superior document: Abhandlungen der Deutschen Gesellschaft der Wissenschaften und Künste in Prag, Mathematisch-Naturwissenschaftliche Abteilung 3