Nice find I:

IBM’s QisKit solving sudoku - Popkov, 2022 https://blog.theodo.com/2022/10/quantum-sudoku/

Nice find II:

About Erwin Schrödinger
He found the standing waves of this relativistic
equation, but the relativistic corrections disagreed
with Sommerfeld's formula. Discouraged, he put
away his calculations and secluded himself with a
mistress in a mountain cabin in December 1925
-- The Lone Ranger of Quantum Mechanics".
The New York Times.

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