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The Beginning of WWII
In early 1939, scientists, Albert Einstein and Enrico Fermi, found out the Axis powers had discovered how to split a uranium atom -
Convincing President Roosevelt
During this time, scientists including Fermi and Einstein spent time convincing the president that the Axis Power's newfound discovery was a threat. President Roosevelt finally decided to slowly progress with research. -
Start of Manhattan Project
In late 1941, the U.S. effort to build an atomic bomb got its name--The Manhattan Project. -
Edward Teller
Hungarian physicist Edward Teller became an American Citizen and joined the Atomic Bomb Research Team. He and Enrico Fermi soon started collaborating and researching together often. -
Japanese Attack on Pearl Harbor
Japanese planes bombed the U.S. naval base at Pearl Harbor, Hawaii. Soon after this, the United States entered the with as part of the Allied powers. -
A Breakthrough
Scientists at the University of Chicago produced the first controlled nuclear chain reaction--the first step to creating an atomic bomb -
Glenn Seaborg
Professor Glenn Seaborg left his position at the University of California at Berkeley to join the research of the Manhattan Project. Later on, he was the chairmen for the U.S.Atomic Energy Commission. -
The First Test
At Trinity Site in New Mexico, the first atomic bomb test was conducted. The now-president, Harry S. Truman, was now faced with this decision: to drop the bomb or not. -
The First Atomic Bomb
The U.S. plane Enola Gay dropped an atomic bomb on the Japanese city Hiroshima. 70,000 Japanese citizens were instantly killed due to burns and radiation. -
The Second Atomic Bomb
The U.S. dropped a bomb on another Japanese city--Nagasaki. 80,000 Japanese perished on this day.
