John Flynn (minister) of the Aerial Medical Service was in 1928 from Cloncurry, Queensland. A museum commemorating the founding of the Royal Flying Doctor Service is located at John Flynn Place in Cloncurry. Flynn married the secretary of the AIM, Jean Blanch Baird, on 7 May 1932 at the Presbyterian Church in Ashfield, Sydney. He was 51 years old and the marriage reportedly came as a surprise even to his close friends. He retired and died in Sydney on 5 May 1951. He was 70 years old. He was cremated and his remains were placed under a large boulder from the Devils Marbles.
John T. Flynn with 850,000 members within a year of its founding. In September, 1941, Flynn organized a Senate subcommittee investigation led by Senator Wheeler, into the movie studios for creating pro-British and pro-interventionist "propaganda" in more than 50 Hollywood films., with studio heads Jack Warner and Daryl Zanuck compelled to testify. On December 7, 1941 – the moment he heard about Pearl Harbor – Flynn wanted the America First Committee to disband, and throw their support entirely toward the war effort – which it did, on December 11, 1941. Flynn had by then turned entirely against New Deal progressivism, which he regarded