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.
Hiroshima and Nagasaki Missions - Planes & Crews
A list of the planes and the crews that flew on the Hiroshima and Nagasaki bombing missions.
Hispanos in Los Alamos
Although frequently omitted from official histories, Hispanos have served in pivotal positions at Los Alamos since its inception.
HUAC and the Manhattan Project
A number of scientists associated with the Manhattan Project were eventually investigated by the House Un-American Activities Committee.
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.
Hydrogen Bomb - 1950
In January 1950, President Truman made the controversial decision to continue and intensify research and production of thermonuclear weapons.
Indian Nuclear Program
India tested its first atomic bomb in 1974 but did not develop a significant nuclear arsenal until more than two decades later.
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.
Israeli Nuclear Program
Israel is widely believed to possess nuclear weapons, but has never confirmed the existence of its nuclear program.
Japanese Atomic Bomb Project
Japan initiated multiple small efforts to pursue an atomic bomb, but all were unsuccessful.