Hippolyt Julius Haas

Born in Stuttgart on November 5, 1855, Hippolyt Julius Haas studied in Heidelberg and Strasbourg and earned his doctorate in Heidelberg in 1881. He went on to teach at the University of Kiel, where he qualified as a lecturer in 1883, later became an associate professor, and in 1905 was named honorary full professor for paleontology and geology.

Reference works on German biography describe him as one of the better-known geologists and paleontologists of his time, with an unusually broad command of the field. His scientific writing included studies of Jurassic fossils and brachiopods, while books such as Die Leitfossilien and Leitfaden der Geologie reached multiple editions and helped introduce geology and paleontology to a broad public.

Haas also wrote beyond strictly academic science. Library records show travel and regional books such as Deutsche Nordseeküste, Friesische Inseln und Helgoland, Neapel, seine Umgebung und Sizilien, and Schwabenland, suggesting a writer who enjoyed connecting natural history with place. He died in Munich on September 6, 1913.