Sources:

"James Hutton." Famous Scientists. Web. 11 Feb. 2016. <http://www.famousscientists.org/james-hutton/>.

"James Hutton." Wikipedia. Wikimedia Foundation. Web. 11 Feb. 2016. <https://en.wikipedia.org/wiki/James_Hutton#Early_life_and_career>.

"James Hutton: The Founder of Modern Geology." James Hutton: The Founder of Modern Geology. Web. 11 Feb. 2016. <http://www.amnh.org/education/resources/rfl/web/essaybooks/earth/p_hutton.html>.