Svetozar Marković was a Serbian political activist, literary critic and socialist philosopher. He developed an activistic anthropological philosophy with a definite program of social change. He was called the Serbian Nikolay Dobrolyubov.

Zaječar is a city and the administrative center of the Zaječar District in eastern Serbia. According to the 2022 census, the city administrative area has a population of 48,621 inhabitants. Zaječar is widely known for its rock music festival Gitarijada and for the ZALET festival dedicated to contemporary art.