Czesław Białobrzeski

Czesław Białobrzeski (31 August 1878 in Poshekhonye near Yaroslavl, Russia – 12 October 1953 in Warsaw) was a Polish physicist.

He studied 1896–1901 at the University of Kyiv, continued 1908–1810 as a student of Paul Langevin at Collège de France, Paris.

He served as president of the Polish Physical Society between 1934 and 1938.

Czesław Białobrzeski wrote about 100 scientific papers on thermodynamics, theory of relativity, quantum theory, theory of stellar evolution and structure, spectrography, astrophysics and philosophy of physics.

He was the first to take account of the influence of radiation pressure on stellar equilibrium.