| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1924 Summer Olympics
|
Water Polo (Aquatics) |
 SWE |
|
|
|
S. Wallbaum |
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Belgium — Czechoslovakia |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Czechoslovakia — Ireland |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Hungary — Czechoslovakia |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Hungary — Great Britain |
Linesman |
|
|
|
1928 Summer Olympics
|
Water Polo (Aquatics) |
SWE |
|
|
|
S. Wallbaum |
|
|
Water Polo, Men
(Olympic)
|
|
Match 1/2 |
Germany — Hungary |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Germany — Great Britain |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Hungary — Argentina |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Great Britain — Czechoslovakia |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #5 |
Belgium — Ireland |
Linesman |
|
|
|
1936 Summer Olympics
|
Water Polo (Aquatics) |
SWE |
|
|
|
S. Wallbaum |
|
|
Water Polo, Men
(Olympic)
|
|
Match #3 |
Belgium — Great Britain |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #4 |
Belgium — Netherlands |
Linesman |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Czechoslovakia — Japan |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #6 |
Austria — Iceland |
Linesman |
|
|