| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Otto Walther Dannemann•Nagel | |
| Used name | Otto•Nagel | |
| Born | 23 February 1889 in København (Copenhagen), Hovedstaden |  DEN |
| Died | 2 September 1947 (aged 58 years 6 months 7 days) in København (Copenhagen), Hovedstaden | DEN |
| Affiliations | AK Hermod — København (Copenhagen), Hovedstaden | DEN |
| NOC | Denmark | DEN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Wrestling | DEN |
Otto Nagel | |||
| Light-Heavyweight, Greco-Roman, Men (Olympic) | AC r2/7 |
