In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known for less ...

British mathematician John Venn (pictured above, click to enlarge) was born on August 4, 1834, so last Thursday marked the 188th anniversary of his birth in Hull, England. John Venn is most known for ...