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Period: Aug 1, 1174 to
Jean-Baptiste Lamarck Lifespan
He supported the theory of evolution that traits could be acquired and passed on to offspring. -
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Sir Charles Lyell Lifespan
He was a geologist who proposed gradual geological changes that shaped Earth's surface. -
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Charles Darwin Lifespan
Charles Darwin rode the Beagle to the Galapagos Islands and developed his theory of evolution. He believed organisms evolved through natural selection. -
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Alfred Russel Wallace Lifespan
He had a revolutionary idea of evolution and natural selection separate from Charles Darwin. -
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Thomas Henry Huxely Lifespan
He proposed connections between organism's development and the history of their evolution. He supported Darwin's theory of evolution. -
Charles Darwin
Charles Darwin boarded the Beagle. -
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Ernst Haeckel Lifespan
He was an influential zoologist whose evolution research inspired some racist theories of the Nazi's. -
Charles Darwin
The Beagle and Charles Darwin reached the Galapagos Islands. -
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Clarence Darrow Lifespan
He defended the right to teach evolution. Specifically, John Scopes. -
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William Jennings Bryan Lifespan
He is known for the defense of fundamentalist Christianity in science, evolution, and Darwinism. -
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Theodosius Dobzhansky Lifespan
He was a geneticist who provided laboratory evidence of natural selection. -
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John T. Scopes Lifespan
He was famous for going on trial for teaching evolution. He was supported by Clarence Darrow. -
Governor Austin Peay
Governor Austin Peay signed a law against teaching evolution in public schools. -
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Stephen Jay Gould Lifespan
His contribution to the idea of evolution is his theory of punctuated equilibrium. -
The Supreme Court
The Supreme Court ruled the law prohibiting the teaching of evolution was unconstitutional.