Georges Cuvier (1769-1832). Georges Cuvier's important study Recherches sur les ossemens fossiles des quadrupèdes [Research on the Fossil Bones of Quadrupeds] was first published in France in 1812. The Discours sur les révolutions du globe [Discourse on the Revolutionary Upheavals on the Surface of the Earth] was the introduction to the larger work.
5.2.2. Nicholas Steno (1638-1686). Steno’s contributions to geology was a set of principles still in use, these are: (1) the Principle of Original horizontality; (2) the Principle of Superposition; and (3) the Principle of Lateral continuity
William Smith (1769 –1839). Smith’s contribution was the Principle
of Faunal and floral succession
5.2.4. James Hutton (1726-1797).
His major contribution was the book “the history of the Earth”. He added the Principle of Uniformitarianism: The present is the key to the past.