The Functional

Paul Adrien Maurice Dirac

It worked.  It served its function.

Actually, to be technical about it, it was a functional, not a function. Big distinction. Never mind why.  It’s works.————  ?

Dirac’s Equation

But Why?

What did it imply?  Well, something very profound.  They didn’t want to believe it at first.

“Where is my Dirac?” — Albert Einstein

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