If there’d be a day Professor Hawking to move on, 𝛑 day would be it. 𝛑 day also happens to be Albert Einstein’s birthday. Ever more reasons to look at the world from a bright side, and to ponder again why it is that the circumference of a circle divided by its diameter is not 3, or 3.1, or 3. 14, but 𝛑.

Find you name in 𝛑 here.

Below, the very sensible NYT obituary on Professor Hawking.