character: Charles Lyell
topic: Foundational principles of the Geological Time Scale
grade: 11
subject: Biology
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character: William Smith
topic: Influence on the development of stratigraphy and the use of fossils in dating geological layers
grade: 11
subject: Biology
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character: James Hutton
topic: Contribution to the concept of deep time and the age of the Earth
grade: 11
subject: Biology
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character: Georges Cuvier
topic: Role in the establishment of paleontology and understanding of extinction events in geological time
grade: 11
subject: Biology
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