THOMAS HUNT MORGAN AT COLUMBIA UNIVERSITY Genes, Chromosomes, and the Origins of Modern Biology Eric R. Kandel The student of the humanities as well as the intelligent public looks at the history of human thought as a history of abstract ideas. . . . It is true that minds like those of Plato, Thomas Aquinas, Spinoza, Descartes, Hegel and Kant have exercised a strong influence upon the progress ...