See the related links below.
I think it would be pretty safe to say he invented the Venn Diagram
hE invEnTed THe vEnn DiaGrAm ,,
If it is purely a Venn diagram problem then you cannot. Venn diagrams offer a way of solving certain types of problems graphically.
John Venn was born on August 4, 1834.
John Venn
John Venn
Henry Venn
John Venn!
John Venn.
John Venn was born on August 4, 1834.
John Venn - academic - died in 1687.
John Archibald Venn died in 1958.