William Nicol (geologist)

William Nicol
Born
1768
NationalityScottish
Known forinvented the Nicol prism, the first device for obtaining plane polarized light

William Nicol FRSE FCS (1768?  2 September 1851) was a Scottish geologist and physicist who invented the Nicol prism, the first device for obtaining plane-polarized light, in 1828.