Manhattan Project

The Manhattan Project
A secret research project that resulted in the atomic bomb. Built by United States, United Kingdom, and Canada.

U-235
Type of uranium used for nuclear power production

Robert Oppenheimer
An American theoretical physicist, best known for his role as the director of the Manhattan Project, the World War II effort to develop the first nuclear weapons, at the secret Los Alamos laboratory in New Mexico. Known as “The father of the atomic bomb,” at the Trinity test, he said, quoting from the Bhagavad Gita, “If the radiance of a thousand suns were to burst at once into the sky, that would be like the splendor of the mighty one. Now I am become Death, the destroyer of worlds.”

Los Alamos
This is the national laboratory in New Mexico founded during WWII to develop the atomic bomb.

Harry Truman
Became president when FDR died; gave the order to drop the atomic bomb

1 Bomb Dropped
Exploded 1,800 feet over Hiroshima, Japan. August 6, 1945

2 Bomb Dropped
Dropped on Nagasaki, Japan. August 9, 1945

U.S.S. Missouri
On September 2, 1945, Japanese officials signed the articles of surrender on this American battle ship that was anchored in Tokyo.

V-J Day
August 15, 1945

Emperor Hirohito
Emperor who forced the Japanese government to surrender, which ended World War II

Unconditional Surrender
an announcement by FDR with Churchill’s endorsement that the war would end only with this. The conquered governments would be no longer, no compromise could be reached. Later people believe that this stiffened enemy resistance

Island Hopping
the American navy attacked islands held by the Japanese in the Pacific Ocean. The capture of each successive island from the Japanese brought the American navy closer to an invasion of Japan.

Albert Einstein
German Jewish Professor

Leader of Manhattan Project
U.S. Army Corps of Engineers
Gen. Leslie R. Groves