Front matter

by

PAUL DE KRUIF

“The gods are frankly human, sharing in the weaknesses of mankind, yet not untouched with a halo of divine Romance.”

E. H. BLAKENEY.

New York HARCOURT, BRACE AND COMPANY

COPYRIGHT, 1926, BY

HARCOURT, BRACE AND COMPANY, INC.

PRINTED IN THE U. S. A.

TO RHEA

CONTENTS

CHAPTER PAGE

I LEEUWENHOEK: First of the Microbe Hunters 3

II SPALLANZANI: Microbes Must Have Parents! 25

III PASTEUR: Microbes Are a Menace! 57

IV KOCH: The Death Fighter 105

V PASTEUR: And the Mad Dog 145

VI ROUX AND BEHRING: Massacre the Guinea-Pigs 184

VII METCHNIKOFF: The Nice Phagocytes 207

VIII THEOBALD SMITH: Ticks and Texas Fever 234

IX BRUCE: Trail of the Tsetse 252

X ROSS VS. GRASSI: Malaria 278

XI WALTER REED: In the Interest of Science—and for Humanity! 311

XII PAUL EHRLICH: The Magic Bullet 334

INDEX 359

LIST OF ILLUSTRATIONS

FACING PAGE

ANTONY LEEUWENHOEK 16

LAZZARO SPALLANZANI 48

PASTEUR AT FORTY-FIVE 74

ROBERT KOCH 140

VACCINATING SHEEP FOR ANTHRAX 166

DR. ROUX 204

ÉLIE METCHNIKOFF 228

LAST PORTRAIT OF EHRLICH 354

MICROBE HUNTERS