value to his successors, and especially to the German, Kepler (1571- 1630). Galileo Galilei (1564-1642) was the founder of the science of dynamics. Before his time it was believed that a weight a hundred times greater than another would fall a hundred times as fast. Galileo denied this. Instead of arguing about it like a scholar and a gentleman, he put it to the coarse test of experiment by dropping two unequal weights from an upper gallery of the leaning tower of Pisa—to the horror of all erudite men. He made what was almost the first telescope, and he developed the astronomical views of Copernicus; but the church, still struggling gallantly against the light, decided that to believe that the earth was smaller and inferior to the sun made man and Christianity of no account, and diminished the importance of the Pope; so Galileo, under threats of dire punishment, when he was an old man of sixty-nine, was made to recant this view and put the earth back in its place as the immovable centre of the universe. He knelt before ten cardinals in scarlet, an assembly august enough to overawe truth itself, while he amended the creation he had disarranged. The story has it that as he rose from his knees, after repeating his recantation, he muttered, "Eppur si muove"—"it moves nevertheless."
Newton (1642-1727) was born in the year of Galileo's death. By his discovery of the law of gravitation he completed the clear vision of the starry universe that we have to-day. But Newton carries us into the eighteenth century. He carries us too far for the present chapter. Among the earlier names, that of Dr. Gilbert (1540-1603), of Colchester, is pre-eminent. Roger Bacon had preached experiment, Gilbert was one of the first to practise it. There can be little doubt that his work, which was chiefly upon magnetism, helped to form the ideas of Francis Bacon, Lord Verulam (1561-1626), Lord Chancellor to James I of England. This Francis Bacon has been called the "Father of Experimental Philosophy," but of his share in the development of scientific work far too much has been made.[1] He was, says Sir R. A. Gregory, "not the founder but the apostle" of the scientific method. His greatest service to science was a fantastic book, The New Atlantis. "In his New Atlantis, Francis Bacon
- ↑ See Gregory's Discovery, chap. vi.
