Gwyneth Alva Challis Search works
| Image |  |
|---|---|
| Description | Welsh-born New Zealand geologist (1930–2010) |
| Nationality | New Zealand |
| Gender | female |
| Date of birth | January 25, 1930 |
| Occupation | geologist, radiographer |
| Place of birth | Port Talbot |
| Country of birth | United Kingdom |
| Date of death | November 21, 2010 |
| Age | 80 |
| Wikipedia link | https://en.wikipedia.org/wiki/Alva_Challis |
| Commons link | |
| Wikisource link | |
| Wikiquote link | |
| In public domain? | ✗ No | Author will enter worldwide public domain on January 1, 2111 |
| Missing/wrong data? | Edit Wikidata item |