1834 – John Venn was born August 4th, in Hull, Humberside, England, to a prominent evangelical family. British logician made famous by his logical diagrams. Namely, the Venn Diagram, which is used often in teaching elementary mathematics.
1853 – Venn enrolled in Gonville and Caius College, in Cambridge.
1854-1857 – He was elected a mathematical scholar and he had gained his Bachelor of the Arts degree.
– Venn was elected a Fellow of the College and remained so for the rest of his life.
1858-1859 – Venn’s family background led him to be ordained as a deacon at Ely and as a priest.
1862 – He returned to Cambridge as a college lecturer in moral sciences.
1866 – Venn became interested in logic. He published three standard texts based upon this topic. He wrote The Logic of Chance, Symbolic Logic, and The Principles of Empirical Logic.
1880 – Venn wrote a paper entitled On the Diagrammatic and Mechanical Representation of Prepositions and Reasonings introducing diagrams known today as Venn diagrams. This paper was published in the Philosophical Magazine and Journal of Science in July.
1883 – Venn was elected to the Royal Society, and the University of Cambridge awarded him a ScD.
1897 – Venn wrote a history of his college, titled "The Biographical History of Gonville and Caius College, 1349-1897".
1923 – Died on April 4th in Cambridge.