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Manhattan Project By. Cody Bailey. Einstein’s Letter.

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Manhattan Project

By. Cody Bailey

einstein s letter
Einstein’s Letter

Albert Einstein was a brilliant scientist who in 1929 wrote a letter to President Roosevelt about the possibilities of building an uranium bomb. Einstein believed that Germany was researching the ways to do this and wanted to warn the United States of this. Einstein also wanted to defect from Germany because of his disbeliefs in Hitler and Nazi Germany and come to the United States and help develop an uranium bomb, or as we know it today as a Nuclear Bomb.

fdr s response
FDR’s Response

America’s president at the time, Franklin Delano Roosevelt took Einstein’s letter seriously and knew that action must be taken to develop the bomb before Nazi Germany could complete one. So secretly he recruited some of the world’s brightest minds to develop this bomb, and would call this the Manhattan Project. President Roosevelt was so secretive about this that his own Vice President Harry Truman didn’t know.

j robert oppenheimer
J. Robert Oppenheimer

Oppenheimer's reputation as both a scientist and administrator led to his appointment as the chief scientist of the Manhattan Project. After witnessing the first test at Trinity, Oppenheimer wrote that some laughed, some cried, and through his mind floated a line from the Bhagavad-Gita: "I am become death: the destroyer of worlds."

enrico fermi
Enrico Fermi

He is best known for his contributions to nuclear physics and the development of quantum theory. In 1938, Fermi was Nobel Prize for his work with the Nuclear bomb. He is remembered as the “father of the nuclear bomb”.

little boy
Little Boy
  • Little Boy was the first nuclear weapon used in warfare.
  • It was dropped by the “Enola Gay” and detonated over Hiroshima on August 6, 1945.
  • Weighing about 9,000 pounds it produced an explosive force 20,000 tons of TNT.
fat man
Fat Man
  • Fat Man was the second and final nuclear weapon ever used in warfare
  • On August 9, 1945 Fat Man was dropped over Nagasaki by the “B-29 Boxcar.
  • The bomb had the same explosive force of the “Little Boy” but the damage was somewhat less extensive because of Nagasaki’s hilly terrain.