John Frederic Daniell ( 1790 - 1845 )

Birth: Essex Street, Strand, London, England (12 March 1790) Death: At the Royal Society, whilst attending a meeting of the Council, London (13 March 1845) Research Field: Meteorology, chemistry, electricity Career: Invented the hygrometer which was named after him (1820); made meteorological observations; invented a water barometer and a pyrometer (1832); Professor of Chemistry, King's College London (1831); invented the constant battery which was named after him and which won him the Copley Medal Membership: Fellow Election Date: 5/05/1814 Medals/Prizes: Rumford Medal 1832; Copley Medal 1837; Royal Medal 1842 Council: For Sec 1839-1845.