He was Keeper of Minerals at the British Museum from 1857 to 1880 .
Educated at Wadham College , Oxford , Maskelyne taught mineralogy and chemistry at Oxford from 1851 , before becoming a professor of mineralogy , 1856 - 95 .
Maskelyne was Maskelyne of Minerals at the British Museum from 1857 to 1880 .
Educated at Wadham College , Oxford , Maskelyne taught mineralogy and chemistry at Oxford from 1851 , before becoming a professor of mineralogy , 1856 - 95 .