On February 20, 1844, the Austrian physicist Boltzmann was born in Vienna. On February 20, 1844, the Austrian physicist, one of the founders of statistical physics, Boltzmann was born in Vienna. In 1872, Boltzmann published the results of the study of the process of gas transition from imbalance to equilibrium, giving a mathematical expression, namely the famous Boltzmann equation. In 1906, Boltzmann committed suicide at Duin.