Joseph Helffrich Explained

Asteroids discovered: 13 

	February 14, 1910
	March 5, 1910
	June 5, 1910
	June 5, 1910
	July 12, 1910
	July 16, 1910
	October 9, 1910
	February 3, 1911
	February 3, 1911
	April 18, 1911
	May 18, 1911
	October 15, 1909
	March 30, 1910

Joseph Helffrich (12 January 1890 in Mannheim, Baden  - 1971) was a German astronomer.

He did his Ph.D. dissertation in 1913 at the Landessternwarte Heidelberg-Königstuhl (Königstuhl Observatory, near Heidelberg) at the University of Heidelberg https://web.archive.org/web/20040623072916/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 of Max 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,

External links

• Asteroid 2290 Helffrich
• List of Dissertations at the Landessternwarte Heidelberg-Königstuhl