Harry S. Truman Presidential Library & Museum

The Decision to Drop the Atomic Bomb

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1945

March

Albert Einstein to Franklin D. Roosevelt
       March 25, 1945    View (1 page)    |    (PDF)

April

Henry Stimson to Harry S. Truman
       April 24, 1945    View (1 page)    |    (PDF)

May

Notes of Meeting of the Interim Committee
       May 9, 1945    View (3 pages)    |    (PDF)

Log of the Interim Committee of the Manhattan Project
       May 9, 1945    View (17 pages)    |    (PDF)

J. A. Darry to Leslie R. Groves
       May 12, 1945    View (7 pages)    |    (PDF)

Notes of Meeting of the Interim Committee
       May 14, 1945    View (4 pages)    |    (PDF)

Notes of Meeting of the Interim Committee
       May 18, 1945    View (3 pages)    |    (PDF)

Notes of Meeting of the Interim Committee
       May 31, 1945    View (17 pages)    |    (PDF)

June

Notes of Meeting of the Interim Committee
       June 1, 1945    View (10 pages)    |    (PDF)

Diary entries
       June 1, 1945    View (6 pages)    |    (PDF)

Minutes of Meeting held at the White House
       June 18, 1945    View (45 pages)    |    (PDF)

Notes of Meeting of the Interim Committee
       June 21, 1945    View (8 pages)    |    (PDF)

July

Notes of Meeting of the Interim Committee
       July 6, 1945    View (5 pages)    |    (PDF)

Notes by Harry S. Truman on the Potsdam Conference
       July 16, 1945    View (10 pages)

Notes by Harry S. Truman on the Potsdam Conference
       July 17, 1945    View (9 pages)    |    (PDF)

Petition to the President of the United States
       July 17, 1945    View (1 page)    |    (PDF)

Leslie. R. Groves to Henry Stimson
       July 18, 1945    View (14 pages)    |    (PDF)

Notes of Meeting of the Interim Committee
       July 19, 1945    View (8 pages)    |    (PDF)

Memo for the Record, Manhattan Project
       July 20, 1945    View (2 pages)    |    (PDF)

John Stone to General Arnold
       July 24, 1945    View (2 pages)    |    (PDF)

Henry Stimson to Harry S. Truman, with handwritten Truman reply on reverse
       July 30, 1945    View (2 pages)    |    (PDF)

Draft statement on the dropping of the bomb
       July 30, 1945    View (8 pages)    |    (PDF)

Henry Stimson to Harry S. Truman, with attached draft press release
       July 31, 1945    View (13 pages)    |    (PDF)

August

Press release by the White House
       August 6, 1945    View (3 pages)    |    (PDF)

Memoranda re: Manhattan Project
       August 6, 1945    View (3 pages)    |    (PDF)

Press release by Henry Stimson
       August 6, 1945    View (7 pages)

Translation of leaflet dropped on the Japanese (AB-11)
       August 6, 1945    View (1 page)

Translation of leaflet dropped on the Japanese
       August 6, 1945    View (1 page)    |    (PDF)

Telegram, Richard Russell to Harry S. Truman
       August 7, 1945    View (4 pages)    |    (PDF)

Harry S. Truman to Richard Russell
       August 9, 1945    View (1 page)    |    (PDF)

Correspondence between Harry S. Truman and Samuel Cavert
       August 11, 1945    View (3 pages)    |    (PDF)

September

Matthew J. Connelly to James Byrnes, with attached Leo Szilard letter
       September 6, 1945    View (2 pages)    |    (PDF)

Memo by George Harrison
       September 8, 1945    View (2 pages)    |    (PDF)

Memo re: Russia and the atomic bomb
       September 11, 1945    View (3 pages)    |    (PDF)

Henry Stimson to Harry S. Truman, accompanied by a memorandum
       September 11, 1945    View (8 pages)    |    (PDF)

Memorandum by George Harrison
       September 14, 1945    View (2 pages)

Memoranda for the record
       September 14, 1945    View (4 pages)    |    (PDF)

Memoranda of conversation
       September 25, 1945    View (2 pages)    |    (PDF)

Memo of conversation with Dr. J. Robert Oppenheimer and Dean Acheson
       September 25, 1945    View (2 pages)    |    (PDF)

Clinton P. Anderson to Harry S. Truman
       September 25, 1945    View (5 pages)    |    (PDF)

Kenneth McKellar to Harry S. Truman, accompanied by a report
       September 27, 1945    View (7 pages)    |    (PDF)

Philip Fleming to Harry S. Truman
       September 28, 1945    View (2 pages)    |    (PDF)

October

Memorandum of conversation
       October 3, 1945    View (2 pages)    |    (PDF)

Memoranda from discussions
       October 3, 1945    View (4 pages)    |    (PDF)

Memoranda for the files
       October 11, 1945    View (7 pages)    |    (PDF)

Memorandum of meeting
       October 17, 1945    View (3 pages)    |    (PDF)

November

Memoranda for the files
       November 1, 1945    View (2 pages)    |    (PDF)

Memoranda from meetings
       November 10, 1945    View (9 pages)    |    (PDF)

1946

February

Press release
       February 4, 1946    View (4 pages)    |    (PDF)

May

Press release re: Operation Crossroads
       May 13, 1946    View (4 pages)    |    (PDF)

June

"The Decision for Peace", excerpt from report of the United States Strategic Bombing Survey
       ca. June, 1946    View (8 pages)    |    (PDF)

U. S. Strategic Bombing Survey: The Effects of the Atomic Bombings of Hiroshima and Nagasaki
       June 19, 1946    View (51 pages)    |    (PDF)

Franklin D'Olier to Harry S. Truman, with related material
       June 20, 1946    View (3 pages)

"United States Strategic Bombing Survey: The Effects of the Atomic Bombs on Hiroshima and Nagasaki"
       June 30, 1946    View (45 pages)    |    (PDF)

July

United States Strategic Bombing Survey
       July 1, 1946    View (34 pages)    |    (PDF)

United States Strategic Bombing Survey: Japan's Struggle to End the War
       July 1, 1946    View (59 pages)    |    (PDF)

August

Press release
       August 2, 1946    View (3 pages)    |    (PDF)

December

Harry S. Truman to Roman Bohnen
       December 12, 1946    View (2 pages)    |    (PDF)

Harry S. Truman to Karl Compton
       December 16, 1946    View (1 page)    |    (PDF)

1947

June

"The Evaluation of the Atomic Bomb as a Military Weapon"
       June 30, 1947    View (39 pages)    |    (PDF)

1950

February

"Soviet Intentions and Capabilities"
       February 20, 1950    View (20 pages)    |    (PDF)

1951

"The Atomic Bomb" by Eben Ayers
       ca. 1951    View (7 pages)    |    (PDF)

"Truman and the Atom Bomb"
       ca. 1951    View (5 pages)    |    (PDF)

August

Diary entry by Eben Ayers
       August 6, 1951    View (1 page)    |    (PDF)

1952

December

Correspondence between Harry S. Truman and James Cate, with attached White House memos
       December 6, 1952    View (17 pages)    |    (PDF)

1953

January

Thomas Murray to Harry S. Truman
       January 16, 1953    View (2 pages)    |    (PDF)

Harry S. Truman to Thomas Murray
       January 19, 1953    View (1 page)    |    (PDF)

1954

June

Notes regarding June 18, 1945 meeting
       June 7, 1954    View (3 pages)    |    (PDF)

1955

Excerpt from Transcript of Interview with former President Truman
       ca. 1955    View (2 pages)    |    (PDF)

"The Atomic Bomb", third draft
       ca. 1955    View (6 pages)    |    (PDF)

1957

May

"Tentative chronology of part played by scientists in decision to use the bomb against Japan"
       May 29, 1957    View (6 pages)    |    (PDF)

1958

Handwritten notes by former President Truman
       ca. 1958    View (7 pages)

March

Correspondence between Tsukasa Nitoguri and Harry S. Truman
       March 12, 1958    View (4 pages)    |    (PDF)

1963

August

Harry S. Truman to Irv Kupcinet
       August 5, 1963    View (1 page)    |    (PDF)

1964

Harry S. Truman to Mrs. Haydon Klein, Jr.
       August 4, 1964    View (1 page)    |    (PDF)

Not Dated

"Collection and Identification of Fission Products of Foreign Origin" by Peter King and N. Friedman
       Not Dated    View (11 pages)    |    (PDF)