Origins of Scientific Economics : English Economic Thought, 1, Hardcover by Letwin, William, ISBN 0415313295, ISBN-13 9780415313292, Like New Used, Free shipping in the US This book illustrates how the first social science, that of economics, was built. It examines and discusses the work of Josiah Child, Nicholas Barbon,John Collins, William Petty, John Locke and Dudley North.