Title: William Whewell (1794-1866), Dionysius Lardner (1793-1859), Charles Babbage (1792-1871)
Subjects: Economists, Babbage, charles, 1792-1871, Contributions in economics
People: William Whewell (1794-1866), Charles Babbage (1791-1871), Lardner Dionysius (1793-1859)