Tribute to an artist? no to a Mathematician

North Bridge decorated by local artists with Venn diagrams in salute to this man
"John Venn, FRS, FSA (4 August 1834 - 4 April 1923) was an English mathematician, logician and philosopher noted for introducing the Venn diagram, used in the fields of set theory, probability, logic, statistics, competition mathematics, and computer science.In 1866, Venn published The Logic of Chance, a ground-breaking book which espoused the frequency theory of probability"...