sentences:  Ian Smith, a 43-year-old former Wing Commander in the Royal Air Force and now garage owner of Callander, stood as an Independent Unionist.A last-minute candidate appeared in the shape of Richard Wort, a schoolmaster from Wimbledon who stood as an Independent right-wing candidate; his nomination paper was handed in with 29 minutes to spare.On the eve of poll, Willie Rushton announced that he was retiring from the contest, and endorsed Liberal Party candidate Alistair Duncan Millar, who he thought stood the best chance of defeating Douglas-Home.