Eileen Guppy
Eileen Mary Guppy MBE was a British geologist, petrologist, and analytical chemist. She was the first female geologist appointed to the scientific staff of the Geological Survey of Great Britain, which is now known as the British Geological Survey. Guppy was the first female staff member to be awarded an MBE in 1966 for her 39 years of service to the scientific field, by the Order of the British Empire.
Source: Wikipedia
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