The City (London) criticized Weinstock for his financial caution but after he retired as managing director in 1996, under his successor a series of ill-judged acquisitions led to catastrophic losses.
[citation needed] Born in Stoke Newington,[1] Hackney, London, the son of working class Polish-Jewish immigrants Golda (née Schag) and Simon Weinstock, Arnold Weinstock was educated at the London School of Economics.
He was Vice-President of the Friends of the Ravenna Festival (1993–1994), a trustee of the British Museum (1985–1996), the Royal Philharmonic Society and the Foundation Fund (1984–1992).
He became a friend of the conductor Riccardo Muti, whose recordings he chose on the Desert Island Discs radio programme.
He became a Commander of the Ordine al Merito of Italy in 1991 and an Officer of the Legion of Honour of France in 1992.
He was awarded an Honorary DSc: Salford, 1975; Aston, 1976; University of Bath, 1978; Reading, 1978; Ulster, 1987; Hon.
He and his father-in-law, Michael Sobell, became owners in 1957 and were immediately successful when purchasing London Cry, who won the 1958 Cambridgeshire Handicap.
Up until 1971 his horses were trained by Sir Gordon Richards but in 1970 with his father in law he purchased the West Ilsley stables from Jakie Astor, whereupon Dick Hern became his trainer.
Upon Sir Michael Sobell's death, Weinstock continued his racing activities, in partnership with his son Simon.