Manhattan Project History

Manhattan Project History

Civilian Displacement: Los Alamos, NM

To build the Los Alamos Laboratory, the Army took over the land of two dozen homesteaders, the Los Alamos Ranch School, and the Anchor Ranch.

Civilian Displacement: Hanford, WA

Before the Manhattan Project, about two thousand people lived in White Bluffs, Hanford, and Richland, WA or nearby. For centuries, four different Native American tribes enjoyed the land along Columbia River.

Los Alamos Before World War II

The Pajarito Plateau has been home to a number of inhabitants who have each uniquely shaped the landscape and history of the area.

Chicago Pile-1

On December 2, 1942, Chicago Pile-1 went critical, creating the world’s first controlled, self-sustaining nuclear chain reaction.