Mary De la Beche "Minnie" Nicholl FES (née Dillwyn; 25 June 1839 - 30 October 1922) was a lepidopterist and mountaineer
Nicholl was best known for her work on butterflies. Nicholl published a number of papers on her research on butterflies between 1897 and 1904, including "Bulgarian Butterflies" in The Entomologist's Record and Journal of Variation (1899) and "Butterflies of the Lebanon" was published in The Transactions of the Royal Entomological Society of London (1902).
A book about the life of Mary De la Beche Nicholl was published in 1979 titled: Grandmother Extraordinary
source https://en.wikipedia.org/wiki/Mary_De_la_Beche_Nicholl