Balan was born in the Bessarabian village of Kubey, today Chervonoarmiyske near Bolhrad in Odessa Oblast, Ukraine (see Bessarabian Bulgarians), to a Bulgarian family. The general Georgi Todorov was his brother. Balan studied in Prague and Leipzig graduating in Slavistics from the Charles University in Prague. In 1884 he settled in Sofia, the capital of the Principality of Bulgaria, spending four years working for the Ministry of Popular Enlightenment. He became professor of Slavic ethnography and dialectology and history of the Bulgarian language, since 1893 head of the Bulgarian and Slavic literature department of the High Pedagogical School (the future Sofia University). On 29 January 1889, he was elected the first rector of the university and reelected several times (1896–1897, 1902–1903); he was also dean of the Faculty of History and Philosophy (1899–1900, 1904–1905).

In the late 19th and early 20th century, he was secretary of the Bulgarian Academy of Sciences, and from 1939 on he was doctor honoris causa of the Sofia University, as well as an active member of the Bulgarian Academy of Sciences.

Source: Wikipedia