Stefan Polónyi: key obituary facts
Is Stefan Polónyi dead? Yes. Stefan Polónyi died on April 19, 2021, at age 90.
Cause of death: Stefan Polónyi's cause of death has not been publicly confirmed.
What was Stefan Polónyi known for?
Stefan Polónyi was a German civil engineer.
German civil engineer
Died on Monday April 19th 2021