Life is hard


Picture by Eyasu Etsub on Unsplash

I hate chess!


Werner Heisenberg and Niels Bohr (Boston Arts Diary)


Photo by Toa Heftiba from Unsplash



R. Opałka’s OPALKA 1965 /1 — ∞”


The fathers of constructivist thought in philosophy of mathematics (from left to right): Leopold Kronecker, Henri Poincaré, L.E.J. Brouwer and David Hilbert




Source: “Understanding Cantor’s Mathematical Infinity

Jan Gronwald

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store