Showing posts with label
infinity symbol
.
Show all posts
Showing posts with label
infinity symbol
.
Show all posts
Wednesday, November 23, 2016
Born today...John Wallis, November 23, 1616, Ashford, United Kingdom. Mathematician and cryptographer who introduce the infinity symbol in 1655 in his De sectionibus conicis. image: Pamela Colman Smith (1878 – 1951) illustration from the Waite Tarot
Older Posts
Home
Subscribe to:
Posts (Atom)
