Mr Thomson was the son of Mrs Florence Frankland Thomson, who won the Scottish Ladies' Championship on six occasions. He was in the book trade all his life, moving to London in 1954 to work at Foyles, and later, in 1982, at Waterstones. He won the Richmond & Twickenham club title in 1956 and 1962 and represented the club in the London League till his death. He married in 1961 and his wife, Susan Mary Thomson, won the Scottish Ladies title in 1965.
Aird Thomson was found dead in his flat on 5 June 1991 after neighbours had not seen him for some weeks.
Sources: BCM 1991, p 320 (information from Dinah and Ken Norman); Scottish Chess No. 124, p 25; CHESS November 1951, p 28 (photo).; CHESS July 1952, p 192.
Historian, Chess Scotland