Bruno Latour is among the most important figures in contemporary philosophy and social science. His ethnographic studies have revolutionized our understanding of areas as diverse as science, law, politics and religion. Bruno Latour is among the most important figures in contemporary philosophy and social science. His ethnographic studies have revolutionized our understanding of areas as diverse as science, law, politics and religion. Preface 1 Empirical philosophy 1.1 Introduction 1.2 Making Paris visible 1.3 The path towards 'empirical philosophy' 1.4 The power of addition 2 Science studies 2.1 Introduction 2.2 Sociology of Scientific Knowledge 2.3 An anthropologist visits a laboratory 2.4 Anatomy of a scientific paper 2.5 Realism in and about science 3 Science and society 3.1 Introduction 3.2 The Pasteurization of France: War and Peace of Microbes 3.3 The Pasteurization of France: Irreductions 3.4 Another turn after the social turn 3.5 The turn to ontology 4 Another social science 4.1 Introduction 4.2 Deploying what makes up the social 4.3 Deploying how the social is stabilized 4.4 Shifting focus 5 A philosophy for our time 5.1 Introduction 5.2 We have never been modern 5.3 The modern Constitution 5.4 Relationism 5.5 Cosmopolitics 6 A comparative anthropology of the Moderns 6.1 Introduction 6.2 A research protocol for a comparative anthropology 6.3 'Empirical philosophy' redefined 6.4 Inquiring 'modes of existence' 6.5 The modern experience: fifteen modes 6.6 Facing 'Gaia' 7 Bibliography Index