Quote of the day
Optimism is essential to achievement and it is also the foundation of courage and true progress.
Paul Ehrenfest
Born: January 18, 1880
Died: September 25, 1933 (aged 53)
Bio: Paul Ehrenfest was an Austrian and Dutch theoretical physicist, who made major contributions to the field of statistical mechanics and its relations with quantum mechanics, including the theory of phase transition and the Ehrenfest theorem.
Paul Ehrenfest Quotes