Steinfort had a 40-year journalism career which ranged from covering sports in his native place Kentucky and running a weekly paper to heading all broadcast operations at the AP. He retired in 1986.
Steinfort is credited with expanding the AP's radio news network to over a thousand stations. He was also responsible for relocating the national radio and TV newswire operations from New York to Washington DC, where they were merged with the radio network to form Broadcast News Center (BNC).
The veteran journalist is understood to have died after a short battle with cancer.