Nobel Prize–winning German physicist (1858–1947) who pioneered the understanding of quantum theory. ALS in German, signed “M. Planck,” one page both sides, 6 x 8.25, personal letterhead, July 7, 1944. Letter to physicist and theologian Artur Neuberg. In part (translated): “Today I received the new edition of your attractive book and I express my cordial thanks for this valuable gift. The fact that your two books are now combined in one single volume also has its advantages. I see that as a symbol for the close connection of the physical and the biological world view which is precisely what the thrust of your work emphasizes. You will certainly have great success with this new edition too…Your having pursued such thorough scientific studies in Vienna excites my sincere admiration.” In fine condition. Planck wrote the Preface to Neuberg’s Das Neue Weltbild der Physik (The New World View of Physics, 1941) which was combined with Neuberg’s Weltbild der Biologie (World Wew of Biology) in 1944. After advocating a unified view of the physical and biological, Planck concludes his letter to theologian-physicist Neuberg with: "Versatility such as yours is not easily found," words which recall C. P. Snow's famous ‘Two Cultures’ essay in which he deplored the gap between the sciences and the humanities. Pre-certified PSA/DNA and RR Auction COA.
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