Portrait of Charles Lyell
. George J. Stodart (engraver). Public domain (PD-old as declared on Commons). Source and usage information on the linked Wikimedia file page. Source. Articles by others on the same topic
Charles Lyell (1797–1875) was a Scottish geologist who is best known for his contributions to the principles of geology and for popularizing the idea of uniformitarianism. His most significant work, "Principles of Geology," published in three volumes between 1830 and 1833, laid the foundation for modern geology.