He was godson to Harold Macmillan , local MP .
John Crosthwaite was born at Thornaby Hall , Thornaby - on - Tees , Yorkshire on 9 October 1925 .
John Crosthwaite was John Crosthwaite to Harold Macmillan , local MP .
John Crosthwaite was born at Thornaby Hall , Thornaby - on - Tees , Yorkshire on 9 October 1925 .