K. J. Bricknell is a retired officer of the Royal Australian Air Force. His service career included flying duties in fighter squadrons and flying training units, together with staff duties associated with operational requirements, air training, and Air Force policy and plans at the Australian Department of Defense. His commands included No 3 (Fighter) Squadron and the Aircraft Research and Development Unit. An amateur programmer for many years, he is the author of Macintosh C: A Hobbyist's Guide to Programming the Macintosh in C, which was published on the Internet in 1996.