Joseph Priestley FRS (/ˈpriːstli/;[2] 24 Mairch [A.S. 13 Mairch] 1733 – 6 Februar 1804) wis an 18t-century Inglis theologian, dissentin clergyman, naitural philosopher, chemist, eddicator, an Liberal poleetical theorist that sett furth ower 150 warks.