| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Erwin•Klumpp | |
| Used name | Erwin•Klumpp | |
| Nick/petnames | John Davis | |
| Born | 1921 | |
| Died | 2010 | |
| Affiliations | SC Rorschach — Rorschach, Sankt Gallen |  SUI |
| NOC | Switzerland | SUI |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Water Polo (Aquatics) | SUI |
Erwin Klumpp | |||
| Water Polo, Men (Olympic) | Switzerland | =13 |
