Reading from Einstein: state of the field

Atomism, law of constant proportions, object-sense, running constants, atomic theory and nuclear theory, ultraviolet catastrophe, mass and charge and light and colour, general relativity and quantum mechanics, field theory and the statistical ensemble, universals in Einstein's theory, reconciling field theory and discretization, functional freedom and degrees of freedom, infrared catastrophe, 20'th century foundations and 21'st century foundations.