He was educated at Harrow School and the University of Cambridge.
He later served in Aden. Tempest Hicks served in the South African War in command of the 2nd Royal Dublin Fusiliers. He was mentioned in despatches three times and subsequently made a Companion of the Bath.
He later served in Aden.
He reached the rank of brigadier general. In 1907, Hicks"s address was given as Gladsmuir, Monken Hadley.
Hicks married in 1885 Anna Clara Georgina Hemery, daughter of Charles Hemery of Monken Hadley. Anne died 2 May 1963.