Invented by Dr John Venn. We think the attached picture does an excellent job of both illustrating all you need to know about how Venn diagrams work and also of succinctly answering that knotty question of what exactly is the difference between the British Isles, the UK, etc.
This section lists the memorials where the subject on this page is commemorated:
Venn diagram
Commemorated ati
Rev and Dr Venn
Venn Street, SW4 The Reverend John Venn (1759 - 1813), after whom this street...
Other Subjects
Alfred Russel Wallace
Explorer and naturalist. Born Monmouthshire (which, if we can believe Wikipedia, between 1542 and 1974 was not definitively in either Wales or England). Joined the family surveying business and l...
Person, Paranormal, Science, Malaysia, Singapore, South America, Wales
1 memorial
Charles Lyell
Born at Kinnordy House, near Kirriemuir, Angus, Scotland. Geologist. A practicing lawyer, deliberately working all over the country so he could study the local geology. His multi-volume "Principles...
3 memorials
Sir Arthur Keith
Physiologist and anthropologist. Born Aberdeenshire. Trained as a doctor and practiced in Siam but returned to become an academic and researched in the fields of anatomy, physiology, palaeontology ...
1 memorial
Sir Edward Appleton
Born Bradford. Physicist. Professor at King's College London. Nobel Laureate Ionospheric radio, 1924. Died Edinburgh.
1 memorial