The Manhattan Project

When U.S president Franklin D. Roosevelt got a letter from the most famous scientists Albert Einstein, he warned the president about the Nazis trying to create a atomic bomb that could destroy a city.

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Why was the Manhattan Project created?

Franklin D. Roosevelt gather scientists from all over the United States to help build the bomb. The leader of the project was Leslie Groves. He was a major general in the U.S army Corps of Engineers.

​Who lead the Manhattan Project?

​Oppenheimer was often called the " Father of the Atomic Bomb". He was the Main scientists who created the bomb.

​​J. Robert Oppenheimer

Leo conceived the nuclear chain reaction. During his career, he made numerous discoveries in nuclear physics.

​​Leo Szilard

​ Enrico was famous for creating the world's first artificial nuclear reactor. He had been called " The Architect of the Nuclear Age".

​​Enrico Fermi

Main Scientists of the Manhattan Project

Where did they Test the Atomic Bomb and why?

They tested the atomic bomb at Alamogordo Bombing Range in New Mexico. The site code-named "Trinity" by J. Robert Oppenheimer, it was chosen for its isolation and flat terrain. This site is only one hour away from the city of Albuquerque, only open two times for tourist and visitors.

Where did the U.S use the bomb?

Harry S. Truman became president after Franklin Roosevelt had died. World War ll had ended, The allies had won after six years of battling , and everything was in its place. He learned about the Manhattan Project. He had ordered the bomb to be dropped on two Japanese cities in Japan, Hiroshima and Nagasaki.

The Manhattan project was kept a secret to prevent Germany and Japan from discovering the project and developing their own atomic bombs, as well as keeping the Soviet union from learning about it. The U.S also kept track of mail going out to new Mexico, just in case someone was giving information to germany.

Why was the manhattan project kept secret?