 In 1835 he appeared with "Tam o' Shanter" at the Royal Academy, of which he became an associate in 1836, and professor of perspective (1839–60).From around 1840 he concentrated on portraiture again, depicting both individuals, such as the Duke of Wellington for the London City Club, the Duke of Cambridge for Christ's Hospital, and Sir George Burrows for Saint Bartholomew's Hospital, and large groups, as in his "Waterloo Banquet" (1842) and "Peninsular Heroes" (1848).He became a full member of the Royal Academy in 1844 and served as the its secretary from 1848 until 1873.