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Niels Bohr Political Papers

Overview

Scope and Contents

Biographical Note

Administrative Information

Detailed Description

Sweden 1943 and the occupation

Connection with the British government

Connection with the British organization

Connection with Justice F. Frankfurter

Connection with members of the American organization

Notes regarding professor Bohr's activities

Notes regarding wider issues

Main statements regarding wider issues

Correspondence with Kapitza

Letter from Einstein

Wartime Story

The Open Letter I & II

Ambassador Henrik Kauffmann

Department Head H.H. Koch

Professor Aage Bohr

Press releases, etc.

Foreign Ministry, Copenhagen

Norwegian Foreign Ministry

Swedish Foreign Ministry

"Partisans for Peace" - "Stockholm Appeal"

Professor Joliot-Curie

Ambassador Reventlow

American Embassy, Copenhagen

British Embassy, Copenhagen

Embassy Counsel P. Bang-Jensen

Members of US Congress

Sir John Anderson

Churchill, Roosevelt and Marshall

David A. Hill

Professor J.H. Bhabha

Professor L. Rosenfeld

Professor R.E. Peierls

Benjamin V. Cohen

Justice Felix Frankfurter

John J. McCloy

Lewis L. Strauss

R. Courant

Stephen White

Herbert H. Maass

Marcus Oliphant

Finance Minister Torkild Kristensen

Adolf A. Berle

Dr. Basil O'Connor

James Chadwick

Nat Finney

Mrs Appel

Florian A. Holm

Secretary General Trygve Lie

Dr. Henry Goddard Leach

Lord Boyd Orr

Leo Szilard

Paula Strelitz

Embassy Counsel Karl Kruse

Abraham Pais

Field Marshall Smuts

A.V. Hill

Raymond B. Fosdick

Professor John Wheeler

Professor F. Zeuthen

G.A. Cane

Frederick G. Hehr

General Dwight D. Eisenhower

Frederic de Hoffmann

Science

Frederick Osborn

Clark and Fay Ramsey

The journal "Se", Stockholm

Merete Bonnesen

H. Kramers

Response to submitted reprint

Dag Hammarskjöld, Supplement to Open Letter

Postscript  to Open Letter

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Contact us about this collection

Title: Niels Bohr Political Papers, 1939-1962

ID: 01/01/008

Primary Creator: Bohr, Niels (1885-1962)

Extent: 1.0 Linear Meters

Arrangement: The documents have been digitized as high-resolution tiff files.  Bona-fide scholars may apply for permission to access them (as low-resolution black-and-white pdf files) directly from the Archon Finding Aid (below), which retains Bohr's original organization of the collection.  Following this organization, journal nos. 1-10 are further subdivided into folders, whereas this is not the case for the later material.

Subjects: Gowing, Margaret, Open World, Second World War

Languages: English, Danish

Memoranda, notes and correspondence pertaining to Bohr's efforts, during and after the Second World War, to create an Open World.  Journal nos. 1-10 were created during Niels and Aage Bohr's exile in Britain and the United States during the Second World War.  This part of the collection was held in Washington, D.C., for several years until it was returned to Niels Bohr in Denmark.  Journal no. 11  contains correspondence regarding the historical study by Margaret Gowing based on the prior part of the collection.  Journal nos. 101-162 document Bohr's efforts for an "open world" after the Second World War.

Born on 7 October 1885 to Christian Bohr, physiologist at the University of Copenhagen, and his wife Ellen, née Adler, Bohr completed his university education at his father's university in 1911.  That year he went to England, where he worked under the direction of Ernest Rutherford at the University of Manchester.  Rutherford and his collaborators had recently determined experimentally that the atom has a small but heavy nucleus at its center with negative electrons circling around it at relatively considerable distances. Realizing that such a system could not be explained by means of classical physics, Bohr proposed his revolutionary quantum model of the atom in 1913.  It was also in this period, on 1 August 1912, that Bohr married Margrethe, née Nørlund, who was to become his most important companion and counsellor throughout his life.  In 1916 he was appointed professor at the University of Copenhagen, and in 1921 the University's Institute for Theoretical Physics was inaugurated under Bohr's leadership. The following year Bohr was awarded the Nobel Prize in physics for his work on the atomic model.  In the 1920s Bohr's institute served as a world center in the continuing development of quantum physics, and it was here that what was later termed the "Copenhagen Interpretation" of the new quantum physics was formulated in the late 1920s on the basis of Bohr's concept of complementarity.  In the 1930s Bohr was one of the first physicists in Europe to turn theoretical and experimental work at his institute to nuclear physics, which now became the most exciting field in physics.  Just before the war, Bohr played a major role in explaining the process of fission, and having been forced to flee his country in October 1943, he joined the Manhattan Project to develop the atomic bomb.  At the same time, he started a personal mission for an "open world", seeking to convince Prime Minister Churchill and President Roosevelt in personal interviews of the necessity to share the secret of the atomic bomb with the Soviet Union in order not to lose the confidence of the war ally and thus avoid a nuclear arms race after the war.  Unsuccessful in this venture, Bohr continued his mission for an "open world" after the war until the end of his life, publishing his "Open Letter to the United Nations" in 1950 and employing his honorary residence, where he and his family had moved in 1932, as a meeting place for statesmen and physicists alike.  During the same period, Bohr was central in developing scientific institutions both in Denmark and internationally.  When he died on 18 November 1962, he was revered all over the world as one of the greatest scientists and humanists of the century.

Repository: Niels Bohr Archive

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