William Alexander Francis Balfour-Browne FRSE FZS FLS PRMS , known as Frank, was an English entomologist who specialised in Coleoptera, especially Dytiscidae .
Balfour-Browne was born at 16 Ebury Street in London the son of John Hutton Balfour-Browne KC (d1921) and Caroline Lush.
He was educated at St Paul's School. He studied botany at Magdalen College, Oxford, and was then called to the bar in 1898.
Already as a child he was keenly interested in water beetles, and the group became the subject of his research throughout his life. He returned to Oxford to study zoology the following year. From 1906 he taught biology at the Belfast College of the Royal University of Ireland (now known as Queen's University Belfast).
In 1913 he became a lecturer in the University of Cambridge. During the First World War he was a lieutenant in the Royal Army Medical Corps. He was Professor of Entomology at Imperial College from 1925 to 1930.
Balfour-Browne was the author of a Text-book of Practical Entomology, British Water Beetles published by the Ray Society, Concerning the Habits of Insects and many scientific papers, mainly on entomology. Balfour-Browne was a Fellow of the Royal Entomological Society. He died in Edinburgh on 28 September 1967.
[33rd United Kingdom Parliament. 34th United Kingdom Parliament. 35th United Kingdom Parliament.
36th United Kingdom Parliament. 37th United Kingdom Parliament]He was the Member of Parliament (MP) for Glasgow Central between the general elections of 1923 to 1945, when he stood down.