Dangers from Accidental Detonations [1]

9 July, 1945

To:  J. R. Oppenheimer [2]

From: N. F. Ramsey [3]

Subject: Dangers from Accidental Detonations of Active Gadgets

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Yoshito Matsushige's Account of the Hiroshima Bombing [4]

I had finished breakfast and was getting ready to go to the newspaper when it happened. There was a flash from the indoor wires as if lightning had struck. I didn't hear any sound, how shall I say, the world around me turned bright white. And I was momentarily blinded as if a magnesium light had lit up in front of my eyes. Immediately after that, the blast came. I was bare from the waist up, and the blast was so intense, it felt like hundreds of needles were stabling me all at once. The blast grew large holes in the walls of the first and second floor.

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Hiroshima Log of the Enola Gay [5]

Point: APO 247, Tinian

Time Takeoff: 245

Time Landed: 1458

 

Position - Time (Military) - Remarks [AHF Notes are in italics]

N. Tip Siapan - 0255 [Northern tip of Saipan, 10 min after takeoff]

...

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Warning Leaflets [6]

In August 1945, warning leaflets were dropped on several Japanese cities.
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Obama's Speech at Hiroshima [7]

Remarks by President Obama and Prime Minister Abe of Japan at Hiroshima Peace Memorial

Hiroshima Peace Memorial
Hiroshima, Japan

5:45 P.M. JST
 
PRESIDENT OBAMA: Seventy-one years ago, on a bright, cloudless morning, death fell from the sky and the world was changed. A flash of light and a wall of fire destroyed a city and demonstrated that mankind possessed the means to destroy itself.

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The Jewel Voice Broadcast [8]

To our good and loyal subjects:

After pondering deeply the general trends of the world and the actual conditions obtaining to our empire today, we have decided to effect a settlement of the present situation by resorting to an extraordinary measure.

We have ordered our government to communicate to the governments of the United States, Great Britain, China, and the Soviet Union that our empire accepts the provisions of their Joint Declaration.

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Checklist for Loading Charge in Little Boy Aboard Enola Gay [9]

Check list for loading charge in plane with special breech plug
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Tibbets on Hiroshima [10]

From Operational History of the 509th Bombardment

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Stimson on the Bomb [11]

From “The Decision to Use the Atomic Bomb” by Henry Stimson

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Agnew on Gen. Groves [12]

By Harold Agnew

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Source URL: https://www.atomicheritage.org/key-document-subjects/bombings-hiroshima-and-nagasaki