Career
From 1900 to 1910 he worked for the Borneo Company at Bidi, near Bau, in Sarawak, where they mined gold. From 1912 to 1923 he worked at the Simau goldmine near Bencoolen in Sumatra. A collection of East Anglian moths is in the Norwich Castle Museum.
Many species of fern are named for him (mainly by Edwin Copeland), and also: Brooks" Dayak Fruit bat, Dyakopteris brooksi, and Brooks" Wolf gecko, Luperosaurus brooksi.