On the death of his father in 1939, David Thomson became the chairman of Peter Thomson (Perth) Limited. He served as a
major with the
Royal Army Service Corps during the
Second World War and was held as a
Prisoner of War. On his return, Thomson, was awarded a Territorial Decoration and appointed a Member of the Order of the British Empire. Notable recipients of the award include three-time world champion golfer
Jessie Valentine in 1999 and
Joan Knight, artistic director at
Perth Theatre, in 1982. The Award was administered by a trust established at Thomson's request to mark his retiral as Lord Provost. ==Honours and awards==