Decades later he made a poignant return to the country where he had been held captive, thanks to National Lottery funding.
Jack is one of over 50,000 people who have made commemorative trips to places where they fought for their country through the BIG Lottery Fund's Heroes Return scheme. He said: "When I went back to Asia I was surprised and relieved; all my old dreams faded away, it's now a pleasant place. I am very grateful that National Lottery players paid for me to return."
A ydych chi'n gysylltiedig â'r prosiect hwn ac eisiau rhoi rhagor o wybodaeth i ni? Cysylltwch.