Abstract
This is an important volume of seventeen essays that historicizes observation as a practice, concept and ideal. It belongs to the historiographical tradition of scrutinizing central aspects of the scientific enterprise such as experiments and objectivity that once appeared too self-evident to be probed. The challenge of historicizing such a significant idea is that it has to be a collective enterprise.The volume starts with three essays that provide a chronological survey of the period from 500 to 1800. Katherine Park, covering the period from 500 to 1500, explains how observation for Cicero and Pliny had nothing to do with experiment or systematic investigation, but rather was a collective and largely anonymous process, associated with originary phrases of natural knowledge of a distant past and intelligible even by the illiterate. It was the basis for conjectural knowledge that lacked causal explanation. Observation of celestial events occurred from time to time, but in the context o ..