- Joseph Helffrich
Joseph Helffrich (*
12 January 1890 inMannheim ,Baden , † 1971) was a Germanastronomer .He did his Ph.D. dissertation in 1913 at the "Landessternwarte Heidelberg-Königstuhl" (Königstuhl Observatory, near Heidelberg) at the
University of Heidelberg [http://www.lsw.uni-heidelberg.de/personnel/diss.phtml] .At the time, the observatory at Heidelberg was a center for
asteroid discovery under the direction ofMax Wolf , and during his time there Helffrich discovered a number of asteroids.References
* Helffrich, Joseph: Untersuchungen im Sternhaufen h Persei nach Aufnahmen mit dem Waltz-Reflektor der Heidelberger Sternwarte. Braun, Mannheim 1913, 23 S. (Heidelberg, Naturwiss.-math. Diss. v. 17. Nov. 1913)
* Schmadel, Lutz D.: "Dictionary of Minor Planet Names". 5th ed. Springer, Berlin 2003, ISBN 3540002383External links
* Asteroid 2290 Helffrich
* [http://www.lsw.uni-heidelberg.de/personnel/diss.phtml List of Dissertations at the Landessternwarte Heidelberg-Königstuhl]
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