William Alexander Francis Balfour-Browne FRSE FZS FLS PRMS (1874–1967), known as Frank,[1] was an English entomologist who specialised in Coleoptera, especially Dytiscidae (diving beetles).
As a child he was keenly interested in water beetles, and the group became the subject of his research throughout his life.
[2] He was Professor of Entomology at Imperial College from 1925 to 1930 and was a friend of Robert Lloyd Praeger.
[2] He married in Glasgow on 4 October 1902 Elizabeth Lochhead Carslaw, daughter of Rev.
[2] His son John Balfour-Browne was also an entomologist, who became a Principal Scientific Officer at the Natural History Museum, London.