British mathematician John Venn (pictured above, click to enlarge) was born on August 4, 1834, so tomorrow will mark the 187th anniversary of his birth in Hull, England. John Venn is most known for ...

British mathematician John Venn was born on August 4, 1834, so yesterday marked the 182nd anniversary of his birth in Hull, England. John Venn is most known for creating and introducing the Venn ...