Ken Revis was training to be a structural engineer, and had almost qualified, when war broke out in September 1939. He promptly enlisted and, at the age of 23, was commissioned in the Royal Engineers. Training complete, it was during the Christmas festivities of 1940, such as they were in the Army in wartime Britain, that Ken glanced at a typewritten sheet pinned to a noticeboard to discover that he had been posted to a Bomb Disposal unit.
His...