------------------------------------------------------------------------ Transcriber’s Note: This version of the text cannot represent certain typographical effects. Italics are delimited with the ‘_’ character as _italic_. Superscripted characters are prefixed with ‘^’ and delimited by ‘{ }’. Footnotes have been moved to follow the paragraphs in which they are referenced. Minor errors, attributable to the printer, have been corrected. Please see the transcriber’s note at the end of this text for details regarding the handling of any textual issues encountered during its preparation. ------------------------------------------------------------------------ SCIENCE AND THE MODERN WORLD LOWELL LECTURES, 1925 ------------------------------------------------------------------------ [Illustration] THE MACMILLAN COMPANY NEW YORK . BOSTON . CHICAGO . DALLAS ATLANTA . SAN FRANCISCO CAMBRIDGE UNIVERSITY PRESS LONDON MACMILLAN & CO., LTD. BOMBAY . CALCUTTA . MADRAS THE MACMILLAN COMPANY OF CANADA, LTD. TORONTO ------------------------------------------------------------------------ SCIENCE AND THE MODERN WORLD LOWELL LECTURES, 1925 BY ALFRED NORTH WHITEHEAD F.R.S., Sc.D. (Cambridge), Hon. D.Sc. (Manchester), Hon. LL.D. (St. Andrews) FELLOW OF TRINITY COLLEGE IN THE UNIVERSITY OF CAMBRIDGE AND PROFESSOR OF PHILOSOPHY IN HARVARD UNIVERSITY =New York= THE MACMILLAN COMPANY 1925 _All rights reserved_ ------------------------------------------------------------------------ COPYRIGHT, 1925. BY THE MACMILLAN COMPANY. --- Set up and printed. Published October, 1925. PRINTED IN THE UNITED STATES OF AMERICA BY THE FERRIS PRINTING COMPANY ------------------------------------------------------------------------ TO MY COLLEAGUES, PAST AND PRESENT, WHOSE FRIENDSHIP IS INSPIRATION. TABLE OF CONTENTS CHAPTER PAGE I. THE ORIGINS OF MODERN SCIENCE 1