Edward Ball Knobel (1841-1930),British astronomer. Knobel was a London businessman who worked as a geologist and chemist. From the 1870s he turned to amateur astronomy,purchasing his own telescope and working on star catalogues. He translated Arabic and Persian star catalogues and published a new version of Ptolemy's Almagest,using all available Greek,Latin and Arabic sources. He was President of the Royal Astronomical Society twice,first in the year 1892-3,and then the year 1900-01. A crater on Mars was named in his honour | |
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