This collection of essays examines the question of theory from the perspective of the history of chemistry. Through the lens of a number of different periods, the authors provide a historical analysis of the question of theory in the history of chemical practice. The consensus picture that emerges is that the history of science tells us a much more complex story about theory choice. A glimpse at scientific practice at the time shows that different, competing as well as non-competing, theories were used in the context of the scientific practice at the various times and sometimes played a...