Crick, Francis
Francis Crick is a molecular biologist and Nobel laureate.

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A cynic might wonder whether, since all living things eat or are eaten, this at least suggests they have something in common. Life Itself/Its Origin and Nature, 1981.

 

The immense variety of nature - man, animals, plants, microorganisms, even viruses - is built, at the chemical level, on a common ground plan. Ibid.