Anxiety and the Equation: Understanding Boltzmann's Entropy.

Should some readers have a similar reaction, I would urge them to get past that hurdle, because Johnson explains the science commendably, and weaves in Boltzmann's biography with sensitivity and wit. It is in his explanation of the microscopic basis of the second law of thermodynamics as Boltzmann's greatest contribution to science that Johnson's work shines. His student, Paul Ehrenfest and Paul's brilliant wife Tatiana, the Russian/Dutch mathematician and physicist, would complete that task a few years after Boltzmann's death. [Extracted from the article]