John Griffin Hanna
| Born: | 12 October 1989 |
| Deceased: | 1948 |
| Boat type | Design Year | Category |
|---|---|---|
| Tahiti Ketch | 1928 | Sailboat |
| Dreadnought 32 | 1973 | Sailboat |
| Carol Ketch | 1974 | Sailboat |
Naval Architects
| Born: | 12 October 1989 |
| Deceased: | 1948 |
| Boat type | Design Year | Category |
|---|---|---|
| Tahiti Ketch | 1928 | Sailboat |
| Dreadnought 32 | 1973 | Sailboat |
| Carol Ketch | 1974 | Sailboat |