Talk:Photoelectric effect

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This is an old revision of this page, as edited by RSchlafly (talk | contribs) at 21:51, October 23, 2008. It may differ significantly from current revision.
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While Philip Lenard made very important observations during his experiments with the photoelectric effect, his were the heuristic explanation. Albert Einstein came up with the theoretical framework, the quantum theory of light. He used the ideas of Max Planck - but Max Planck himself didn't recognize this work fully until the first Solvay conference: His first reaction to Einstein's explanation wasn't overwhelmingly friendly

"Es scheint mir, dass gegenüber der neuen Einsteinschen Korpuskulartheorie des Lichtes die größte Vorsicht geboten ist... Die Theorie des Lichtes würde nicht um Jahrzehnte, sondern um Jahrhunderte zurückgeworfen..."

(It seems to me that regarding Einstein's corpuscular theory of the light the greatest caution is to be advised... the theory of light could be thrown back not only for decades, but centuries...)

I changed the article according to these observations back to the previous version. --BRichtigen 08:16, 23 October 2008 (EDT)

It was Planck who said that light was quantized, with E = hf. It is Planck's constant, after all. And that was before Einstein's paper. I think that it is more accurate to call it Planck's quantum theory of light. RSchlafly 17:51, 23 October 2008 (EDT)
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