I bought my copy of Ronald Morris’s The Prehistoric Rock Art of Galloway & the Isle of Man in the 1990s from a second hand bookseller in Dundee. The flyleaf of the book has the name Kennedy McConnell and the date October 1982 inscribed on it.
On researching the previous owner I found this WW2 People’s War
It makes me wonder if his war time work with Alan Turing’s team of cryptographers had left him with any insights into interpreting the meaning of Prehistoric Rock Art.