Geologist from Scotland, known for his significant contributions to the development of geology. He discovered many important fossils and authored several geological works.
Source: The Headship of Christ: And, The Rights of the Christian People : a Collection of Essays, Historical and Descriptive Sketches, and Personal Portraitures with the Author's Celebrated Letter to Lord Brougham
Source: Popular Geology: A Series of Lectures Read Before the Philosophical Institution of Edinburgh, with Descriptive Sketches from a Geologist's Portfolio
Source: The Cruise of the Betsy; Or, a Summer Ramble Among the Fossilferous Deposits of the Hebrides. With Rambles of a Geologist; Or, Ten Thousand Miles Over the Fossilferous Deposits of Scotland. [Edited by W. S. Symonds.]
Source: Popular Geology: A Series of Lectures Read Before the Philosophical Institution of Edinburgh, with Descriptive Sketches from a Geologist's Portfolio