The Life of Henry Tresham Henry Tresham was an Irish-born British historical painter who was active in London during the late 18th century. After receiving his initial art instruction from W. Ennis, a pupil of Robert West at the Dublin Art School, he moved to England in 1775. He subsequently spent much of the following fourteen years in Rome. During his time in Rome, Tresham acted as a dealer, working alongside Gavin Hamilton and Thoma…