Astronomer. Civil servant in the War Office from 1857; published papers on solar physics. Secretary to the royal commission on scientific instruction and the advancement of science, 1870–5; seconded to the Science and Art Department at South Kensington from 1875; first director of the Solar Physics Observatory, and professor of astronomical physics, Royal College of Science, South Kensington, 1890–1911. Established the journal Nature in 1869. Knighted, 1897. FRS 1869.
Sources: DNB DSB ODNB (See the bibliography for full references to sources)