Alva Challis | |
|---|---|
| Born | Gwyneth Alva Challis 25 January 1930 |
| Died | 21 November 2010 (aged 80) |
| Alma mater | University of Cambridge |
| Spouse | Ross Lauder |
| Scientific career | |
| Thesis |
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Gwyneth Alva Challis, known as Alva, (25 January 1930 – 21 November 2010) was a Welsh-born New Zealand geologist who discovered the mineral Wairauite, and pioneered the use of x-rays for mineral investigation in New Zealand.