Amongst his notable National Hunt horses were Tingle Creek, winner of 11 races and a specialist at Sandown Park Racecourse, and Frenchman's Cove, winner of the 1962 Whitbread Gold Cup and 1964 King George VI Chase.
[1] By the 1970s he had begun to concentrate on flat racing and trained his first Classic winner when Athens Wood won the 1971 St. Leger.
Sheikh Hamdan al Maktoum became his principal owner[2] and the most successful horse he trained for Sheikh Hamdan was Al Bahathri, winner of the Lowther Stakes in 1984 and the Irish 1,000 Guineas, Coronation Stakes and Child Stakes in 1985.
His last winner came when Agdistis won at Worcester Racecourse on 12 October 1996 and he retired later that year.
With his first wife Solna Joel, he had a son, Tim Thomson Jones, and daughter, Di Haine, who are also racehorse trainers; with his second wife Sarah Beatty, the daughter of Sir Alfred Chester Beatty, he had another son, Christopher Thomson Jones, who lives in South Carolina.