John R. Coonan was born on December 22, 1915 in Maple Lake, Minnesota, USA. He was an assistant director and production manager, known for Jeremiah Johnson (1972), Weiße Weihnachten (1954) and Mein großer Freund Shane (1953). He was married to June Green. He died on April 20, 1978 in Riverside, California, USA.
