One of the greatest projects ——— The Manhattan Project
DIRECTORY
Manhattan Project Background
Key figures Achievements
Manhattan Project
The Manhattan Project was a research
Albert Einstein: Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist.Einstein developed the theory of relativity, one of the two pillars of modern physics .
The Manhattan Project began modestly in 1939, but grew to employ more than 130,000 people.
It was led by the United States with the support of the United Kingdom and Canada.
To December 6, 1941, the United States formally established code-named "Manhattan" top secret plan.President Roosevelt gives the plan "special priority above all".
https:///wiki/J._Robert_Oppenheimer
https:///wiki/Albert_Einstein
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Hale Waihona Puke Background:In 1937， Nazi Germany began to execute the “Uranium program”（铀计划）
At the end of 1941, the Pearl Harbor incident(珍珠港事件), the United States took part in the second world war and decleared war on Nazi Germany.Some scientists in the United States proposed America should creat the atomic bomb before the Nazi Germany.
and development project that produced the first atomic bombs during World War II.
Active:
1942 to 1946
Leader: Major General Leslie Groves
From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the U.S. Army corps of Engineers.
Little Boy
Fat Man
A BUSINESS PLAN
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explosion in Hiroshima
explosion in Nagasaki
After the war
Sourses：
https:///wiki/Manhattan_Project
Achievements
The first atomic bomb exploded on July 16, 1945, in New Mexico .
On August 6 and 9, 1945, the United States dropped the atomic bombs in Hiroshima and Nagasaki in Japan, which all caused huge injuries and deaths. On August 15, 1945, the Japanese emperor declared unconditional surrender. The second World War ended.
X-10 Graphite Reactor（反应堆）
Hanford Reactors
Key figures
Major General Leslie Groves
president Roosevelt
Julius Robert Oppenheimer 奥本海默(April 22, 1904 – February 18, 1967) was an American theoretical physicist and professor of physics at the University of California, Berkeley， who was honoured as the "father of the atomic bomb".