[Juliusz August Roger (1819-1865) a physician, welfare worker, humanist, naturalist].
A biography of Juliusz Roger a physician, humanist and a naturalist is presented. Doctor Roger, who was of German origin, spent most of his life in Silesia where he become known as a physician, social activist and a German enthusiast of the Polish folklore in the area. In the 1863 he published The Songs and Music of the Polish People in Upper Silesia. He was also valued entomologist who wrote several works on beetles and ants. As a physician Roger helped to reorganize and extend hospitals at Rudy Wielkie and Pilchowice near Gliwice and he collected funds for construction of the municipal hospital in Rybnik that has been functioning to the present day.