In nineteen forty-two, Mister Oppenheimer joined the American government's project to develop the atomic bomb.

VOA: special.2009.06.14

The Manhattan Project,when they created the atomic bomb and whether or not you agree with the Manhattan Project normatively.

曼哈顿计划中，他们创造了原子弹,无论你是否同意,这计划。

哈佛公开课 - 幸福课课程节选

Wartime security of the atomic bomb project being paramount, he eavesdropped on phone calls of scientists and engineers in Los Alamos, N.

WSJ: Manhattan Project agent Safferstein dies in NYC

It was built in the 1940s as part of the "Manhattan Project" to develop the first atomic weapon during World War II.

CNN: Federal funds aim to clean up nuclear wasteland

Another spent his early years in Oak Ridge, Tennessee, as his father worked on the Manhattan Project, which produced the first atomic bomb.

BBC: Riverboats return to the Mississippi