A Venn diagram of items that are both "musical" and "thrive in cold" Google Google is celebrating British logician John Venn's 180th birthday today with a Google Doodle game involving those fun ...
Today’s Google logo is a hat-tip to British logician and philosopher, and inventor of the Venn diagram, John Venn on his 180th birthday. Born on this date in 1834, Venn came up with the idea of using ...