John Flynn was an Australian Presbyterian minister and missionary, best known for founding the Royal Flying Doctor Service in 1928. This service provided essential medical care to people living in remote and rural areas of Australia, ensuring that they had access to healthcare despite their isolation. Flynn was also a key figure in the establishment of the Australian Inland Mission, which aimed to support and provide services to those in the outback. His innovative ideas and dedication to improving the lives of others have left a lasting impact on healthcare in Australia.