Documents relating to 1941 Bohr-Heisenberg meeting

Document 10. Page 1 of 5.

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Incomplete draft of letter from Bohr to Heisenberg, never sent.

In the handwriting of Margrethe Bohr.

Undated, but written after Bohr had received reprints of his Rutherford Lecture on 15 March 1962.

Five pages.

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Kære Heisenberg

Jeg sender hermed et Særtryk af en Rutherford Forelæsning, hvor jeg har forsøgt at fortælle lidt om mine Minder om den Udvikling som Atomkernens Opdagelse startede. Det som Du har set af den lille Artikel jeg skrev til Din 60 Aars Fødselsdag og af mit Foredrag ved Indledningen til Solvay 50 Aarsmødet har jeg i disse Aar beskæftiget mig meget med historisk fysiske Studier som i øvrigt nu er taget op af en amerikansk Komite nedsat af Washington Akademiet og Carnegie Foundation og det er Meningen at Kuhn der bliver Leder af Foretagendet vil i de kommende Aar faa fast Sted i København til Sekretariat og Arkiv.

Ved Beskæftigelsen med saadanne Sager har jeg naturligvis mange Gange følt Vanskeligheden ved at give en rigtig Fremstilling af Udviklingen hvori mange forskellige Mennesker har taget Del og allerstærkest har jeg følt dette i den Udredning af hvad der skete under Krigen i Forbindelse med Atomenergiprojekterne. I den sidste Sag er man meget stærkt interesseret fra forskellig Side og man har endda i flere Landes Regeringer paabegyndt Undersøgelser med Benyttelse af de forhaandenværende Arkiver.

Dear Heisenberg

I hereby send a reprint of a Rutherford Lecture in which I have tried to tell a little about my memories of the developments prompted by the discovery of the atomic nucleus. As you have seen from the small article I wrote for your 60th birthday and from my lecture at the opening of the 50-year anniversary Solvay Meeting, I have been much occupied in recent years with historical studies of physics, which incidentally have now been taken up by an American committee established by the Washington Academy and the Carnegie Foundation, and the intention is that in the coming years Kuhn, who is to lead the project, will have a fixed base in Copenhagen for a secretariat and an archive.

While occupying myself with such matters I have, of course, many times felt the difficulty of giving an accurate account of developments in which many different people have taken part, and I have felt this most strongly in describing what took place during the war in connection with the atomic energy projects. In the latter case there has been very keen interest from various quarters, and the governments of several countries have even begun investigations using existing archives.