John Venn
John Venn created the Venn diagram, and though he’s an important figure in the fields of mathematics and logic, he eventually left that work behind to write historical accounts of the places and people that were important in his life.
John Venn created the Venn diagram, and though he’s an important figure in the fields of mathematics and logic, he eventually left that work behind to write historical accounts of the places and people that were important in his life.