Socrates and young Xenophon, detail of a fresco by Raphael of the School of Athens in the Vatican (crop). Public Domain Ancient Greek philosopher Xenophon is considered by many to be the first economist. His book Ways and Means (Πόροι ἢ περὶ Προσόδων or On Revenues) is a concise 4th-century BC budgetary plan proposal... read full story