Designed for those coming to the subject for the first time, this stimulating introduction offers a historical exposition of differing views on the philosophy of science. With concise profiles introducing the major philosophers whose contributions are discussed, Losee explores the long-argued questions raised by philosophers and scientists about the proper evaluation of science. This new edition incorporates contemporary developments in the discipline, including recent work on theory-appraisal, experimental practice, the debate over scientific realism, and the philosophy of biology. Taking a balanced and informative approach, with a focus on the historical development of the subject, John Losee presents a full and up to date account that is ideal for the introductory reader. NEW TO THIS EDITION: coverage of recent developments in Philosophy of Science, including philosophy of biology, normative naturalism, theory appraisal, experimental practice, theories of explanation, and scientific realism