Robert Ferguson FRS FRSE FGS (8 September 1769 – 3 December 1840) of Raith, was at various times a Whig Member of Parliament for Fifeshire, Haddingtonshire and Kirkcaldy Burghs, and at the time of his death he was Lord Lieutenant of the county of Fife.[1][2]
As an amateur geologist and mineralogist the mineral Fergusonite was named after him.[2]