2 September 1957|
Ruda Śląska, Poland
|Height||6 ft 0 in (183 cm)|
|Weight||198 lb (90 kg; 14 st 2 lb)|
Gruth was member of the Poland men's national ice hockey team for the 1980 Olympics, 1984 Olympics, 1988 Olympics and 1992 Olympics, as well as for 17 World Championships. He holds the record for the most selection to the Polish squad, with 248, as well as the record for the most points (109).
He was inducted to the IIHF Hall of Fame in 2006.
Following his playing days, Gruth turned to coaching. In 1996-97, he was head coach of EHC Salzgitter of the 2. Bundesliga in Germany. He had a record of 5-17-2. He was head coach of the ZSC Lions when current head coach Christian Weber was downgraded to the role of assistant of Beat Lautenschlager with the GCK Lions of the NLB.
| Flagbearer for Poland
Calgary 1988, Albertville 1992