Apparently Schrodinger _guessed_ his equation. Not that it was an easy guess - a woman was involved.<p>See p. 547 of &quot;Quantum Foundations and Open Quantum Systems:Lecture Notes of the Advanced School&quot;<p><a href="https:&#x2F;&#x2F;books.google.com&#x2F;books?id=LVICCwAAQBAJ&amp;pg=PA547&amp;lpg=PA547&amp;dq=schrodinger+guessed+his+equation&amp;source=bl&amp;ots=7JTetjnUdo&amp;sig=y2cYDRiTm4S6Jo7faIQoq-sJC4c&amp;hl=en&amp;sa=X&amp;ved=0ahUKEwi0stmbn8jKAhUD6aYKHY21D_8Q6AEIIjAE#v=onepage&amp;q=schrodinger%20essentially%20guessed&amp;f=false" rel="nofollow">https:&#x2F;&#x2F;books.google.com&#x2F;books?id=LVICCwAAQBAJ&amp;pg=PA547&amp;lpg=...</a>