William Crookes (1832–1919)

Chemist and science journalist. Superintendent of the meteorological department at the Radcliffe Observatory, Oxford, 1854; lecturer in chemistry, Chester Anglican teachers’ training college, 1855. Editor of Chemical News, 1859–1906. Discovered the element thallium in 1861. Investigated mediums, including D. D. Home and Florence Cook, in the 1870s and 1880s. President of the Royal Society of London, 1913–15. Knighted, 1897. FRS 1863.