Brandstetter was born in Hitzendorf.
He was a pupil of Edmund von Hellmer at the Academy of Arts, Vienna.
His first works, "The Flight of Lot from Sodom," “The Flute-Player," and "Plato," were honored with the prize given by the Academy.
Among his later productions, the following are especially noteworthy: “The Forest Lily,” a bronze statue (City Park, Graz), “Prometheus,” and “The Return of the Prodigal.” He died, aged 70, in Graz.
This article about an Austrian sculptor is a stub.