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.

Research:

• Baron, Margaret E.. “A Note on the Historical Development of Logic Diagrams: Leibniz, Euler and Venn.” The Mathematical Gazette, vol. 53, no. 384, 1969, pp. 113–25. JSTOR, https://doi.org/10.2307/3614533
• Bassett, Troy J. "Author: Susanna Carnegie Venn." At the Circulating Library: A Database of Victorian Fiction, 1837—1901, 3 June 2024, http://www.victorianresearch.org/atcl/show_author.php?aid=661
• com Editors. “John Venn Biography.: A&E. April 2, 2014. https://www.biography.com/scientists/john-venn
• Boyer, Carl B.. "Leonhard Euler". Encyclopedia Britannica, 21 Jun. 2024, https://www.britannica.com/biography/Leonhard-Euler
• Britannica, The Editors of Encyclopaedia. "Boolean algebra". Encyclopedia Britannica, 14 May. 2024, https://www.britannica.com/topic/Boolean-algebra
• Britannica, The Editors of Encyclopaedia. "Kingston upon Hull". Encyclopedia Britannica, 23 Jun. 2024, https://www.britannica.com/place/Kingston-upon-Hull
• “A Cricket Sensation.” Saffron Walden Weekly News. June 11, 1909. https://www.newspapers.com/image/800046974/?match=1&terms=John%20Venn%20cricket%20machine
• Collier, Irwin. “Cambridge. Guide to the Moral Sciences Tripos. James Ward, editor, 1891.” Feb 26, 2018. https://www.irwincollier.com/cambridge-on-the-moral-sciences-tripos-james-ward-editor-1891/
• Duignan, Brian. "John Venn". Encyclopedia Britannica, 12 Jun. 2024, https://www.britannica.com/biography/John-Venn
• Duignan, Brian. "Venn diagram". Encyclopedia Britannica, 25 Apr. 2024, https://www.britannica.com/topic/Venn-diagram
• Gordon, Neil. “Venn: the person behind the famous diagrams – and why his work still matters today.” EconoTimes. April 14, 2023. https://www.econotimes.com/Venn-the-person-behind-the-famous-diagrams--and-why-his-work-still-matters-today-1654353
• Hall, Madeleine. “The Improbably Genius of John Venn.” The Spectator. April 4, 2023. https://www.spectator.co.uk/article/the-improbable-genius-of-john-venn/
• “History.” Highgate School. https://www.highgateschool.org.uk/about/our-history/
• “The Jargon.” Queens’ College Cambridge. https://www.queens.cam.ac.uk/visiting-the-college/history/university-facts/the-jargon
• “John Venn Of Caius.” The British Medical Journal, vol. 1, no. 3250, 1923, pp. 641–42. JSTOR, http://www.jstor.org/stable/20423118
• Lenze, Wolfgang. “Leibniz: Logic.” Internet Encyclopedia of Philosophy. https://iep.utm.edu/leib-log/
• O’Connor, J.J. and E.F. Robertson. “John Venn.” Mac Tutor. School of Mathematics and Statistics, University of St. Andrews, Scotland. October 2003.
• “Professor Hugh Hunt leads engineering team to recreate historic cricket bowling machine.” Trinity College Cambridge. June 6, 2024. https://www.trin.cam.ac.uk/news/professor-hugh-hunt-leads-engineering-team-to-recreate-historic-bowling-machine-that-bowled-out-australian-cricketers-more-than-100-years-ago/
• Venn, John. “The logic of chance. An essay on the foundations and province of the theory of probability, with especial reference to its logical bearings and its application to moral and social science.” London. Macmillan, 1876. Accessed online: https://archive.org/details/50424309/page/n19/mode/2up
• Venn, John. “The principles of empirical or inductive logic.” 1889. https://archive.org/details/principlesempir00venngoog
• B.H. “John Venn.” Obituary notices of fellows deceased. Royal Society Publishing. April 1, 1926. Accessed online: https://royalsocietypublishing.org/doi/epdf/10.1098/rspa.1926.0036
• Young, Angus. “John Venn Inspired £325k makeover of Hull's Drypool Bridge is now complete.” Hull Live. June 5, 2017. https://www.hulldailymail.co.uk/news/drypool-bridge-turned-work-art-91547