New Classical Economics emerged as a school in Macroeconomics during the 1970s. As opposed to Keynesian Macroeconomics, it builds its analysis on an entirely neoclassical framework.
... in the 13th century.
John Wesley Powell, (1834-1902), explorer, environmentalist
Nathaniel Pryor[?], (c 1785-1850), US explorer
Pytheas, (died 1984), Greek explorer who ...