SCIENCE AND SYNTHESIS SCIENCE AND SYNTHESIS An International Colloquium organized by Unesco on the Tenth Anniversary of the Death of Albert Einstein and Teilhard de Chardin RENE MAHEU FERDINAND GONSETH J. ROBERT OPPEN H EI M ER WERNER HEISENBERG REVEREND DOMINIQUE DUBARLE SIR JULIAN HUXLEY GIORGIO DE SANTI LLANA GERALD HOLTON B. M. KEDROV F RA NC;O I S L ELI 0 N N A I S LOUIS DE BROGLIE RENE POIRIER PIERRE AUGER JEAN PIVETEAU REVEREND PIERRE LEROY French Contributions Translated by BARBARA M. CROOK SPRINGER-VERLAG BERLIN· HEIDELBERG· NEW YORK 1971 Translated from the French by Barbara M. Crook, with the exception of the papers by J. R. Oppenheimer, W. Heisenberg, Sir Julian Huxley, G. Holton and B. M. Kedrov, also certain contributions to the debates, which were originally delivered in English. All rights reserved. Original publication in French by Gallimard. © 1967 by Unesco. Softcover reprint of the hardcover 1s t edition 1967 Library of Congress Catalog Card Number 77-143044 ISBN-13: 978-3-642-95208-1 e-ISBN-13: 978-3-642-95206-7 DOT: 10.1007/978-3-642-95206-7 Contents Introduction IX Speech of Welcome by Rene Maheu XI PART ONE Albert Einstein and the Scientific Synthesis Speakers F. Gonseth: Einstein's Knowledge of Nature and Philosophy 3 Werner Heisenberg: The Unified Field Theory 12 Reverend Dominique Dubarle: Science and the Unified Vision of the Universe. Einstein's Ideas and Teilhard de Chardin's Contribution 17 Sir Julian Huxley: Science and Synthesis 28 G. de Santillana: The Great Cosmological Doctrines 37 G. Holton: Where is Reality? The Answers of Einstein 45 B. M. Kedrov: Integration and Differentiation in the Modern Sciences. General Evolution of Scientific Knowledge 70 PART TWO Science and Synthesis: Debates 1. FROM PLURALITY TO UNITY Chairman F. Ie Lionnais 77 Main Speaker Louis de Broglie 78 Others Reverend F. Russo 84 J. Ullmo 86 A. Lichnerowicz 88 J.-P. Vigier 91 A. Matveyev 93 F. Gonseth 99 V. Kourganoff 100 O. Costa de Beauregard 101 2. TOWARDS A COSMOLOGY Chairman F. Ie Lionnais Main Speaker R. Poirier 103 Others A. Lichnerowicz 109 O. Costa de Beauregard 112 J. Merleau-Ponty 114 G. Cocconi 117 Stamatia Mavrides 118 V. Kourganoff 120 A. Trautman 124 W. Heisenberg 125 B. d'Espagnat 126 J.-P. Vigier 128 J. UlIma 129 3. DETERMINISM AND INDETERMINISM Chairman F. Ie Lionnais Main Speaker W. Heisenberg 134 Others o. Costa de Beauregard 135 A. Matveyev 138 J. Ullmo 140 B. d'Espagnat 142 J.-P. Vigier 143 Reverend D. Dubarle 145 J.-L. Destouches 146 4. THE ORGANIZATION OF SCIENTIFIC RESEARCH Chairman P. Auger 147 Speakers B. M. Kedrov 151 P. Piganiol 154 G. Holton 156 M. Debeauvais 161 V. Kourganoff 165 Reverend P. Leroy 166 Reverend F. Russo 169 F. Ie Lionnais 173 PART THREE T eilhard de Chardin Main Speakers ]. Piveteau 179 Reverend P. Leroy 184 Others o. Costa de Beauregard 186 H. de Terra 191 P. Chouard 192 Madeleine BartheIemy-Madaule 194 F. Meyer 198 Index 203 Introduction This volume is a collection of the lectures and discussions at an international colloquium organized by Unesco on the theme of Science and Synthesis to mark the occasion of the 10th anniversary of the death of both Einstein and Teilhard de Chardin, also the 50th anniversary of the theory of general relativity. Despite the great gulf which lies between the work of Einstein and Teilhard de Chardin, the coincidence in the dates provided an opportunity to examine the urge towards a synthesis of the scientific and philosophical approaches which lies at the very heart of the work of these two great men. It was, indeed, their common desire for an all-embracing concept of the universe which led them both to try to construct a cosmology for the modern world. So it seemed that the best way of honoring Einstein and Teilhard de Chardin was to arrange a free discussion of the current likelihood of effecting a syn thesis of scientific knowledge which would bring together some of today's most eminent scholars, inspired by the wish to make their research more meaningful by philosophic reflection. The resulting give and take of ideas would go far beyond mere commemoration; it would bring their ideas to life by setting them against the present state of science. This book falls into three parts. The first, which bears the name of Einstein, takes its cue from his work and goes on to discuss synthesis in the physical sciences; it comprises an eye-witness account by Professor Gonseth of Ein stein's earliest discoveries at Zurich and Berne: Einstein's knowledge of nature and philosophy as revealed in his work; a paper by Professor J. Robert Oppenheimer on the man who was his colleague at Princeton; a communication by Professor Werner Heisenberg: Einstein and Synthesis - the Unified Field Theory, which pursues the dialogue on determinism and indeterminism which had gone on for years between the two scientists. The contributions of the Reverend Father Dubarle, Academician B. Kedrov and Sir Julian Huxley extend the debate from pure physics to the life sciences and other scientific IX x Introduction disciplines; finally, Professor Giorgio de Santillana locates the modern cos mologies within the historical perspective of the ancient cosmological doc trines. The second part consists of Round Table debates, chaired by Mr. Frans:ois Ie Lionnais, on three themes: Einstein - from Plurality to Unity; Towards a Cosmology; and Determinism and Indeterminism. The first was introduced by the Duc de Broglie, the second by Mr. Rene Poirier and the last by Professor Heisenberg. This part also includes the debates chaired by Professor Pierre Auger on synthesis as a method of organizing modern science (coordination of scientific disciplines and research planning at the national and international level). The third part records the exchanges at another Round Table debate on the work of Teilhard de Chardin, the theme being: Knowledge of Nature and Man. Mr. Costa de Beauregard, the Reverend Father Leroy and Professor J. Piveteau took part in these discussions. So it will be seen that this colloquium on Science and Synthesis, taking as its starting point the physical sciences, proceeded via the problems of synthesis in the life sciences to those of the human sciences. The opinions expressed by the various authors and the points of view adopted by them are entirely their own and do not necessarily represent those of Unesco. Speech of Welcome BY RENE~ MAHEU Director General of Unesco Your Excellencies, Ladies and Gentlemen: It was Easter Day, 10th April, 1955. Father Teilhard de Chardin lay dying in New York; he was 74. Yet at the end of a long life, alternately and some times even simultaneously brilliant and seclusive, he found only two loyal friends to follow his coffin to the grave. A week later, on 18th April, 1955, not many miles away at Princeton, Albert Einstein, his senior by a bare two years, passed away at the height of his fame, leaving the entire world with a sense of irreparable loss which persists to this day. The historian of the future may perhaps pause to reflect upon this dramatic coincidence. He may contrast the difference in the destinies of these two great and solitary men of genius, utterly different in their work, their research and their beliefs, yet spanning the same historical period and suffering its wars and persecutions, and he may see in the conjunction of their passing one of the really significant events of this mixed-up age we live in. We are met together, 10 years after the death of these two great men, to honor their memory and bear witness to the perennial freshness of their thoughts and ideas. This is the primary objective of this Colloquium in the course of which the almost legendary personalities of Einstein and Teilhard will be freely discussed within the context of contemporary science. You will hear Professor Gonseth and Professor J. Robert Oppenheimer, both of whom knew Einstein well, talking about him as a man. This meeting, which is un conventional in many ways, is, however, more than a simple act of com memoration. Moreover, no homage could be more welcome to those we seek to honor than to keep their memory green by relating problems to which they devoted their lives to today's living reality. Xl xu Speech of Welcome It would be wrong to suppose that the aim of this Colloquium is a con frontation of their ideas and systems. Such a confrontation, however inter preted, would presuppose the existence of some basis of comparison, if not actual assimilation, and this is emphatically not the case. We are not here to consider their respective niches in the history of science. We are here for quite another purpose: to stimulate debate on a series of questions which, as they knew better than anyone, transcend man's greatest efforts and constantly require examining afresh. If in the course of discussion their ideas are quoted in support of the argument, it will be only as major illustrations, highly significant, of course, but in no way exclusive. Our general theme is Science and Synthesis. The aim of this Colloquium is to set the procedure and conquests of science - that is to say its methods and findings - against the demands of intellectual synthesis, as by definition required for our concepts of man and the universe. I need not tell you that the work of Einstein and Teilhard is full of typical examples of such endeavors. The mathematical model of the physical laws of matter which the former created in his theory of general relativity and the interpretation of the evolu tion of the forms and dimensions of life which the latter developed from palaeontology and eschatology are unquestionably, each in its own way and at its own valuation, the vastest and at the same time the most intensive systems of knowledge ever conceived. But it is not enough to say that never before had there been such an ambitious attempt at synthesis in the scientific field; we must add that never before had synthesis been so consciously and deliberately identified with the true essence of science as in the minds of these great men. Nor need I explain at length the supreme importance Unesco attaches to questions of the kind inspired by the.example of Einstein and Teilhard on the theme of Science and Synthesis. It has been said before and it will be said again, Unesco is an organization with a humanistic vocation. Everything it undertakes implies a particular view of man, and it tries to promote and realize this aim step by step but on a universal scale. Everything it does, technical and specialized though it may appear, has a single aim, a single direction and a single dimension, engaging the whole man in each of us and the whole of mankind which is also in each of us. Thus, Unesco is by its very nature dedicated to the spirit of synthesis, and we must remain vigilant to see that no temptation towards misplaced erudition, no urge towards greater efficiency, drags it so far into specialization that it forgets the vocation which inspires its ethical mission. On the contrary, in face of the growing specialization of thought and action brought about by diversification in research and the division of labor, Unesco has a duty to promote interdisciplinary activities and contacts and to encourage broad views, in short, to emphasize the vital importance of the spirit of syn-
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