[1][2][3] At university he formed a group with James Finlayson and George Husband Baird, for extra-curricular linguistic researches.
[7] In 1787, he took the position as tutor to the Marquess of Tullibardine, eldest son of John Murray, 4th Duke of Atholl, and accompanied him to Eton College.
[1] They had another encounter at Blair Atholl, and Walker had known Burns in Dumfriesshire, without being a close friend.
[15] Walker wrote[16] The Defence of Order – A Poem (1802), which defended the policy of William Pitt the Younger and was dedicated to the Duke of Atholl.
[19] The second son Richard Graham Walker practised as a solicitor in Glasgow and Hendon.
[20] The daughter, Russel (died 1886 at age 89 ), married in 1827 Thomas Grierson, a cousin and minister of Kirkbean.