10 Most Influential Economists of All Time 

10. Paul Krugman (born 1953)

9. Joseph Stiglitz (born 1943)

8. Amartya Sen (born 1933)

7. Milton Friedman (1912-2006)

6. John Maynard Keynes (1883-1946)

5. Alfred Marshall (1842-1924)

4. Karl Marx (1818-1883)

3. John Stuart Mill (1806-1873)

2. David Ricardo (1772-1823)

1. Adam Smith (1723-1790)