John Williams (1797-1874), British astronomer. Williams was Assistant Secretary of the Royal Astronomical Society from 1846 until his death. His major


John Williams (1797-1874), British astronomer. Williams was Assistant Secretary of the Royal Astronomical Society from 1846 until his death. His major contribution to astronomy was his study of Chinese records of sunspots, eclipses and comets, published in 1871 as \Observations of Comets, from BC 611 to AD 1640, extracted from Chinese Annals\". Williams is seen here with a microscope (right). As well as his astronomical duties, he worked for other societies, and was Assistant Secretary of the (Royal) Microscopical Society."


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