Career
After the fall of the Hungarian Soviet Republic he emigrated to Austria. From 1930 Székely worked in Berlin later lived in the Soviet Union. In 1938 he was arrested and executed during the Great Purge.
After the fall of the Hungarian Soviet Republic he emigrated to Austria. From 1930 Székely worked in Berlin later lived in the Soviet Union. In 1938 he was arrested and executed during the Great Purge.