A dramatist, poet, and novelist known for his ties to the Yugoslav Communist Party, he contributed essays and short stories to the Putokaz journal. He also published several collections of sonnets and a novel entitled Ponornica (Lost River).
He wrote his first poems when he was eleven years old. Later, he studied law at Zagreb University.
His image could be found on currency in Bosnia and Herzegovina.
He married Ana Prokop in 1940. Four years later, he met Vera Crvenčanin, who would become his second wife.
He and Aleksa Santic are both known for their Bosnian poetry.