He is sometimes called William MacTaggart the Younger to distinguish him from his grandfather , the painter William McTaggart .
Sir William MacTaggart FRSE RA RSA ( 1903 -- 1981 ) was a Scottish painter known for his landscapes of East Lothian , France , Norway and elsewhere .
William MacTaggart FRSE RA RSA is sometimes called William MacTaggart the Younger to distinguish him from William MacTaggart FRSE RA RSA 's grandfather , the painter William McTaggart .
Sir William MacTaggart FRSE RA RSA ( 1903 -- 1981 ) was a Scottish painter known for his landscapes of East Lothian , France , Norway and elsewhere .