A case study of the development of quantum field theory and of S-matrix theory, from their inceptions to the present, is presented. The descriptions of science given by Kuhn and by Lakatos are compared and contrasted as they apply to this case study. The episodes of the developments of these theories are then considered as candidates for competing research programs in Lakatos' methodology of scientific research programs. Lakatos' scheme provides a reasonable overall description and a plausible assessment of the relative (...) value of these two programs in terms of progressive and degenerating problem shifts. Also discussed are the roles of various types of models as they have been used in these areas of theoretical high-energy physics. (shrink)

Ancillary to the emergence of nuclear physics in the 1930s, this important instrument soon became one of the most famous of all time. Yet little is known of its origin, how it differs from the Geiger Counter of 1913, or what role Walter Müller played in the invention of the Geiger-Müller counter of 1928. One of the most interesting features of this history is the absence of any ‘somking gun’—any specific novum for the assignment of credit unless it be the (...) gradual discernment and differentiation of the instrument's capabilities vis-à-vis the limits imposed by scientific knowledge. (shrink)