In July 1939 he collaborated with Roy Lewis to start a newsletter called Vital News that they distributed confidentially to British and American government policymakers and bankers until December 1941.
[1][2] In 1940, Heymanson, who was by then using the first name of "Randal", accepted Sir Keith Murdoch's invitation to start a New York bureau for The Herald's Australian Newspaper Service.
In addition to serving as editor and manager for the Australian News Service's New York bureau, he developed extensive networks of professional and personal connections in the United States.
[1][3][4] In 1946 he and Keith Murdoch participated in a meeting with U.S. business leaders that led in 1948 to the establishment of the American Australian Association for the purpose of fostering understanding and cooperation between the United States, Australia, and New Zealand.
His leadership played a significant role in fostering opportunities for prominent businessmen, politicians and diplomats from Australia to interact with their American peers.
[2] He left a large financial endowment to the medical school of the University of Melbourne for the establishment and maintenance of the Sir Randal Heymanson Foundation, to be devoted to research on pain.