Swiss mycologist (1877-1976).
Eugène Mayor (7 June 1877, Neuchâtel – 14 September 1976, Neuchâtel) was a Swiss physician and mycologist known for his research on parasitic microfungi. After graduating in medicine from Geneva in 1906, he gained international recognition through his 1910 scientific expedition to Colombia with Otto Fuhrmann, which resulted in the discovery of 126 new fungal species. He served as a physician at the cantonal hospice of Perreux-sur-Boudry from 1913 to 1942, after which he continued his mycological research at the University of Neuchâtel, ultimately publishing nearly 120 scientific works.