Primary Source

Primary Source

Szilard Petition

A PETITION TO THE PRESIDENT OF THE UNITED STATES

July 17, 1945

Discoveries of which the people of the United States are not aware may affect the welfare of this nation in the near future. The liberation of the atomic power which has been achieved places atomic bombs in the hands of the Army. It places in your hands, as Commander-in-Chief, the fateful decision whether or not to sanction the use of such bombs in the present phase of the war against Japan.

Interim Committee Report

Science Panel's Report to the Interim Committee

June 16, 1945

TOP SECRET

RECOMMENDATIONS ON THE IMMEDIATE USE OF NUCLEAR WEAPONS

You have asked us to comment on the initial use of the new weapon. This use, in our opinion, should be such as to promote a satisfactory adjustment of our international relations. At the same time, we recognize our obligation to our nation to use the weapons to help save American lives in the Japanese war.

The Franck Report

Report of the Committee on Political and Social Problems

Manhattan Project “Metallurgical Laboratory”

University of Chicago

June 11, 1945

 

V. Summary

The development of nuclear power not only constitutes an important addition to the technological and military power of the United States, but also creates grave political and economic problems for the future of this country.

Bohr's Safety

201 Baker, Nicholas,

5 February 1944.

 

MEMORANDUM FOR:   

Dr. R. C. Tolman,

Office of Scientific Research & Development,

Washington, D. C.

Subject: Nicholas Baker.

1. At the conclusion of a recent report of the technical surveillance of the Bakers, the reporting agent made the following comment:

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