History

History

This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.
Battery of cameras at Point P (top of shelter), 10,000 West

High-Speed Photography

Innovations in high-speed photography at Los Alamos helped develop photography into its modern-day form.
The Enola Gay on August 5, 1945

Hiroshima and Nagasaki Bombing Timeline

A detailed timeline of the bombings of Hiroshima and Nagasaki.
The Great Artiste

Hiroshima and Nagasaki Missions - Planes & Crews

A list of the planes and the crews that flew on the Hiroshima and Nagasaki bombing missions.
Painting commemorating Hispanos' work on the Manhattan Project at El Convento in Española.

Hispanos in Los Alamos

Although frequently omitted from official histories, Hispanos have served in pivotal positions at Los Alamos since its inception.
Former HUAC Chairman J. Parnell Thomas

HUAC and the Manhattan Project

A number of scientists associated with the Manhattan Project were eventually investigated by the House Un-American Activities Committee.
Operation at Oak Ridge Hospital, 1944

Human Radiation Experiments

Between April 1945 and July 1947, eighteen subjects were injected with plutonium, six with uranium, five with polonium, and at least one with americium in order to better understand the effects of radioactive materials on the human body.
Bravo thermonuclear test

Hydrogen Bomb - 1950

In January 1950, President Truman made the controversial decision to continue and intensify research and production of thermonuclear weapons.

Isotope Separation Methods

How to separate the much more potent U-235 from its abundant relative, U-238 consumed thousands of hours and millions of dollars.
Japanese Relocation Notice

Japanese American Relocation and Internment Camps

In the aftermath of the attack on Pearl Harbor, President Roosevelt ordered the "evacuation" of Japanese Americans to relocation and internment camps under Executive Order 9066.

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