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The Manhattan Project was a research and development project that produced the first atomic bombs during World War II. It was led by the United States with the support of the United Kingdom and Canada. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the US Army Corps of Engineers. The Army component of ...
The Manhattan Project Organizational Chart, 1 May 1946. Because most of his task involved construction, Marshall worked in cooperation with the head of the Corps of Engineers Construction Division, Major General Thomas M. Robins, and his deputy, Colonel Leslie Groves. Reybold, Somervell, and Styer decided to call the project "Development of ...
The formerly secret project was made public by the Smyth Report. In the immediate postwar years, the Manhattan Project assisted weapons testing in Operation Crossroads. It maintained control over American atomic weapons research and production until January 1947, when the Atomic Energy Act of 1946 took effect.
Col. Kenneth D. Nichols, district engineer for the Manhattan Engineer District, at the Oak Ridge Administration Office at the Federal Building, known as "The Castle On The Hill."
Timelines describe the events that occurred before another event, leading up to it, causing it, and also those that occurred right afterward that were attributable to it. Timelines are often bulleted lists or tables.
The pre-Hiroshima nuclear history of the United States began with the Manhattan Project.This Manhattan Project was the nuclear program for warfare. Even before the first nuclear weapons had been developed, scientists involved with the Manhattan Project were divided over the use of the weapon.
The 35 form a topical category, and comprise a comprehensive history of the Manhattan Project. I summarised the Manhattan Project above, highlighting how the articles fit together. They were created individually by many editors, who decided their individual scope. I brought most of them to GA or FA; they are not cherry picked.
The AP U.S. History course is designed to provide the same level of content and instruction that students would face in a freshman-level college survey class. It generally uses a college-level textbook as the foundation for the course and covers nine periods of U.S. history, spanning from the pre-Columbian era to the present day.