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    On November the 2nd 1882, William James visited Ernst Mach in Prague, and attended one of his lectures. The conversation with Mach and the lecture were marking events for James. James was also very interested in Hermann von Helmholtz’s ideas and he attended also one of his lessons. However that lesson had not such a marking effect on James. Based on Mach’s and Helmholtz’s lectures for the general public I propose a reflection on the defining traits that made the said event “the most artistic les…Read more