Yvonne HillCo-author and David's wife, Yvonne Hill, worked in South Australian secondary schools for thirty-eight years, retiring as a Class 1 Principal. She is a multi-award-winning photographer and has given more than thirty years voluntary service to the Souh Australian Sea Rescue Squadron in searches at sea as well as working for seventeen years as chief radio operator during search and rescue operations. An Olympic target rifle shooter, she was also, for many years, coach for both Olympic and Paralympic shooters. Winner of twenty international medals, including gold and silver at the 1982 World Championships, she was awarded an Order of Australia medal in 2015 for her services to her sport and the community. After retiring from international competition, having competed at the 1980 Olympics in Moscow, the 1982 World Championships in Venezuela, the 1982 Commonwealth Games in Brisbane and also the 1986 World Championships in East Germany, she was manager and/or coach for many overseas teams both Olympic and Paralympic. She recently retired from the board of Target Rifle Australia and is currently Junior Vice President of the Australian Photographic Society. Read More Read Less