Summary from Wikipedia

Crnjanski was born in Csongrád (modern-day Hungary), to an impoverished family which moved in 1896 to Temesvár (modern-day Timișoara, Romania).[1] He completed the elementary school in Pančevo, and Grammar school in Timișoara.[2] Then he started attending the Export academy in Rijeka in 1912, and in the autumn of the following year he started studying mathematics and philosophy in Vienna.[1]