Mr Venn
John Venn
venn diagram
John Venn, a British logician. And, consequently, it is the Venn diagram, not the venn diagram.
How do I do a Venn diagram? 28&42
Euler's circles
The answer depends on the Venn diagram.
No country was ever a Venn diagram.
The answer depends on the Venn diagram.
No a venn diagram is not a graphic source.
John Venn
John Venn!