Career
He started playing table tennis at the age of nine. In his youth, he also played soccer and handball at the national level, and basketball at the local level In 1956, he placed second in the youth national championship.
After graduating from high school, he moved to Cluj and joined the table tennis division of Progresul, where he was coached by Farkas Paneth.
He participated in three editions of the Table Tennis World Championships. In Germany he worked first as a table tennis coach before he found a job as a doctor.
He changed his name to Johann R. Wolff, and practiced medicine in Pulheim. After the Romanian Revolution of 1989, he was a visiting professor at his alma mater, the "Iuliu Hatieganu" School of Medicine and Farmacy, Cluj.