| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Otto Gunnar•Danielsen |
| Used name | Otto Gunnar•Danielsen |
| Born | 4 February 1911 in København (Copenhagen), Hovedstaden (DEN) |
| Died | 13 March 1958 |
| Affiliations | Hellerup Sejlklub, Gentofte (DEN) |
| NOC | Denmark |
Danielsen was found dead on 13 March 1958 in Jægersborg Dyrehave, a park near Vedbæk, Denmark, just north of København (Copenhagen). How and precisely when he died is not known.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Sailing | DEN |
Otto Gunnar Danielsen | |||
| 8 metres, Open (Olympic) | Anitra | 8 |