A geologist is a contributor to the science of geology.
The following is a list of famous geologists
- Otto Wilhelm Hermann von Abich (1806-1886)
- Louis Agassiz : (1807-1873) work on ice ages, glaciers.
- Mary Anning
- Giovanni Arduino : (1714-1795) first classification of geological time.
- Etheldred Benett
- Pierre Berthier : discovered the properties of Bauxite
- Arthur L. Day
- James Hutton : (1726-1797). father of modern geology
- John Phillips : (1800-1874)
- Sir Charles Lyell
- Roderick Murchison
- R.A.F. Penrose, Jr
- Harrison Schmitt : Apollo_17 moonwalker.
- Adam Sedgwick
- William Smith
- Nicolas Steno : (1638-1686) pioneer in early-modern geology
- Harry M. Woodward: (c.1938) did work with respect to the Old Faithful Geyser
