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The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingdom and Canada. From 1942 to 1946, the project was directed by Major General Leslie Groves of the U.S. Army Corps of Engineers.
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.
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 was the joint effort by the United States, United Kingdom, and Canada to produce the first atomic weapons during World War II.This category is for individuals, facilities, and other article entries relating to this undertaking, which was, and remains today, one of the largest scientific/technical endeavors ever undertaken.
According to Robert T. Augstyn and Paul E. Cohen in their study Manhattan in Maps: 1527 - 1995, New York City is unique in that it is young enough that, unlike major European and Asian cities, and unlike other American cities of about the same age, its early maps have survived. Further, its founding as a city for European immigrants came during ...
Manhattan was first mapped during a 1609 voyage of Henry Hudson, an Englishman who worked for the Dutch East India Company. [15] Hudson came across Manhattan Island and the native people living there, and continued up the river that would later bear his name, the Hudson River, until he arrived at the site of present-day Albany. [16]
The original city map, 1660 Redraft of the Castello Plan of New Amsterdam in 1660, redrawn in 1916 by John Wolcott Adams and Isaac Newton Phelps Stokes. The Castello Plan – officially entitled Afbeeldinge van de Stadt Amsterdam in Nieuw Neederlandt (Dutch, "Picture of the City of Amsterdam in New Netherland") – is an early city map of what is now the Financial District of Lower Manhattan ...
The Manhattan Projects, a comic book series about an alternate reality Manhattan Project developing a wider range of science experiments; Manhattan Project National Historical Park, a park commemorating the Manhattan Project located in Washington state, New Mexico and Tennessee; Manhattan Bail Project, a pre-trial services program from the ...