Sarah Williams

Sarah Williams (December 1837 – 25 April 1868) was an English poet and novelist, most famous as the author of the poem "The Old Astronomer". She published short works and one collection of poetry during her lifetime under the pseudonyms Sadie and S.A.D.I., the former of which she considered her name rather than a nom de plume. Her posthumously published second poetry collection and novel appeared under her given name.

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