I think it is quite unfair to
Max Planck to suggest that his quantum theory of radiation in any way justifies the concept of a Greenhouse Effect by which “back radiation” from the atmosphere can somehow warm the Earth.
Planck was the editor of the Journal that first published Einstein’s seminal papers. It was Planck’s Journal, and there was only one “peer reviewer”, Max Planck himself. Einstein was able to derive the Planck distribution law from first principles only if he postulated the existence of something he called “negative absorption” which we now call stimulated emission which is the basis for all our lasers. Actually, Tolman who referred to Einstein’s paper, was actually the first to suggest that the phenomenon of negative absorption could be used in such a way as to reinforce a primary beam: thus anticipating lasers as early as the 1930’s
One of Planck’s friends and colleagues, Fritz Haber, who had been director of the Kaiser Wilhelm Institute for Physical Chemistry, had been force to resign because of his “Jewish Heritage”. On the first anniversary of his death, Planck and others were courageous enough to arranged for a memorial service for him. They got permission from the Nazis to hold it provided no media publicity appeared about it.
I've touched on atmospheric backradiation before, back when I was trying (unsuccessfully) to construct my own simple computer simulation model of global warming.
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