F. Gwendolen Rees

Florence Gwendolen Rees, ('Gwendolen or Gwen) FRS[1] (3 July 1906 – 4 October 1994) was a Welsh zoologist and parasitologist.

[2] Rees was born in the Welsh town of Abercynon in 1906, and attended the Intermediate School for Girls in Aberdare, (1918–24).

[2] Rees then went on to complete her doctorate in 18 months, studying the trematode parasites in different species of snails.

[2] Her research was in the area of helminthology, focusing on systematics, comparative functional morphology, histology and life cycles of trematode and cestode parasites.

[2] She was a founder member of the British Society for Parasitology, and served as its vice-president (1970–72) and president (1972–74).