| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1952 Winter Olympics
|
Ice Hockey (Ice Hockey) |
 NED |
|
|
|
Bill Dwars |
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
Sweden — Finland |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
United States — Unified Team of Germany |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
Czechoslovakia — Unified Team of Germany |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
Canada — Poland |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
Canada — Czechoslovakia |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
Canada — Switzerland |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
United States — Poland |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Round-Robin |
United States — Czechoslovakia |
Referee |
|
|
|
1956 Winter Olympics
|
Ice Hockey (Ice Hockey) |
NED |
|
|
|
Bill Dwars |
|
|
Ice Hockey, Men
(Olympic)
|
|
Final Round |
United States — Unified Team of Germany |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Final Round |
Canada — Sweden |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Final Round |
Canada — Unified Team of Germany |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Group A |
Canada — Unified Team of Germany |
Referee |
|
|
|
Ice Hockey, Men
(Olympic)
|
|
Group C |
Soviet Union — Sweden |
Referee |
|
|