Ayerst Hooker was a picture restorer and the assistant of Horace Buttery [Buttery 1], who added his name to his own after Buttery's death in 1900. He ran the business from 173 Piccadilly and later from 177 Piccadilly, living at various addresses in Hampstead. He died on 29 March 1929, leaving a considerable estate valued at nearly £105,000. He worked on pictures in the Ashmolean Museum, Oxford including P197 A Weir on the River Po near Ferrara (1909-1910). See further: British Picture Restorers, 1600-1950 - B, National Portrait Gallery online resource, 2nd edn 2015.
