However, during his stay the Nazis invade and he is forced to try to escape back to England with the two small children of some friends who are forced to stay behind in order to help the Allied war effort. During the Second World War he joined the Royal Navy Volunteer Reserve where he worked on deve...

However, during his stay the Nazis invade and he is forced to try to escape back to England with the two small children of some friends who are forced to stay behind in order to help the Allied war effort. During the Second World War he joined the Royal Navy Volunteer Reserve where he worked on developing secret weapons.