The discussions of theoretical issues involved in the history of science have not received sufficient attention. This volume is a contribution to this ongoing discussion and deals with many such issues in the historiography of science, concentrating mainly on what is known as the internalist approach. The topics include ancient Greek mathematics during the Enlightenment, the physical sciences in the 19th and 20th centuries, as well as discussions of the relationship between history and philosophy of science. Both beginners in the fields of history and/or philosophy of science as well as scholars who have been already working in these fields will read the articles with pleasure and profit.