Athenæus (no doubt with some exaggeration) relates that Alexander gave Aristotle, for physical and biological equipment and research, the sum of 800 talents (in modern purchasing power, some $4,000,000).20 It was at Aristotle’s suggestion, some think, that Alexander sent a costly expedition to explore the sources of the Nile and discover the causes of its periodical overflow.21 Such works as the digest of 158 political constitutions, drawn up for Aristotle, indicate a considerable corps of aides and secretaries. In short we have here the first example in European history of the large-scale
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