There is no doubt that nurture strongly reinforced nature in moulding both the character and the intellect of Alastair Graham. He became a zoologist more out of consideration for his parents than out of choice, but his innate ability made him outstanding in this, as it might well have done in any other sphere that he could have turned to. If he had the analytical mind of a good scientist he also had the soul of an artist, and he combined these in his contribution to zoology.
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Andrews et al. (2002) studied this question.
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