Georg Friedrich Wilhelm Rümker

Georg Friedrich Wilhelm Rümker (December 31, 1832 – March 3, 1900) was a German astronomer.

When the Geographic Society in Hamburg was founded in 1873 he was appointed as second secretary.

[2] His wife, Mary Hannah Crockford (1809–1889) was also an astronomer, known for her discovery of a comet in 1847 (which was observed slightly earlier by american astronomer Maria Mitchell).

[3][4] From 1884 he was the Hamburg delegate for the International Earth Measurement.

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