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He was an english naturalist who wrote a book and described 18,600 types of plants. He also gave the first definition of species based upon common descent.
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He was a Swedish naturalist who wrote the book "systema naturae" which classified all organisms. These classifications are used today still. He also believed that god hybridized animals to make new ones.
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He was a french naturalist who developed our definition of a species. He believed that organisms were made by god and that man kind was the most important creation of god.
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He wrote a book called "Systeme de la Nature" and "Essai de Cosmologie" about survival of the fittest and thought that speciation took place by chance.
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He created a theory of evolution which included the idea that traits could be acquired and then passed along to offspring. 1801, he published Système des animaux sans vertèbres, a major work on the classification of invertebrates, a term that he made himself.
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He is best known as the author of Principles of Geology, which was published in 1833.
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He was a British naturalist, explorer, geographer, anthropologist and biologist. He is best known for independently suggesting a theory of evolution due to natural selection. This theory prompted Charles Darwin to publish a theory of his own.
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He developed the idea of natural selection. He also spent 20 years writing his book 'On the Origin of Species'.
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He was a German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species. He also mapped a genealogical tree relating all life forms, and made many terms in biology. He did not believe in natural selection.
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He was a geneticist and evolutionary biologist, and a central figure in the field of evolutionary biology for shaping the unifying modern evolutionary synthesis.
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He was an American paleontologist, evolutionary biologist, and historian of science. Gould's most significant contribution to science was the theory of punctuated equilibrium, which he developed with Niles Eldredge in 1972.
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Since Dawkins is an athiest, he strongly believes in evolution. His book,The Selfish Gene, popularised the gene-centred view of evolution.
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She was a molecular evolutionist and explained how the genome readies itself for evolution.
