Gideon Algernon Mantell MRCS FRS ( 3 February 1790 -- 10 November 1852 ) was an English obstetrician , geologist and palaeontologist .
Gideon Algernon Mantell MRCS FRS ( Lewes , 3 February 1790 -- London , 10 November 1852 ) was an English obstetrician , geologist and palaeontologist .