Happy π Day! And Albert Einstein was born #OTD 147 years ago!

https://en.wikipedia.org/wiki/Pi

Isaac Newton used infinite series to compute π to 15 digits, later writing "I am ashamed to tell you to how many figures I carried these computations".

https://en.wikipedia.org/wiki/Pi#cite_note-Newton-60

"I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

Einstein at PG:
https://www.gutenberg.org/ebooks/author/1630

#books #mathematicsDay