Jan van Risseghem was only a teenager when his mother ordered him to flee Nazi-occupied Belgium for her native England with his brother Maurice. After hiding in a convent, and an epic journey across the war-torn continent, they reached safety in Portugal, then took a ship north. Once in England, the pair signed up with the Belgian resistance, and with the help of an uncle enrolled for flight training with the RAF, a decision that shaped not just their war, but the rest of their lives. Half a century later, flying skills he learned in Britain would also make the...