Agatha Sadler obituary

My friend Agatha Sadler, who has died aged 91, created one of the most influential art bookshops in London. St George’s Gallery Books was an institution, a resource for art historian, artist, art lover, auctioneer and dealer alike. The critic Brian Sewell wrote: “No art historian of my generation, European or American, can have pursued his profession without dependence on Agatha and her bookshop.” Not only did she ensure that any book or catalogue, of the most obscure works, ho