... universities under direction of Arthur Compton, at the University of Chicago. He appointed theoretical physicist, J. Robert Oppenheimer as the director of the weapons laboratory, which was built on an isolated mesa located at Los Alamos, New Mexico. After much work, a porous barrier that could separate the isotopes of uranium was made, and it was installed in the Oak ridge gaseous diffusion ... ...

• Word Count: 1499
• Approx Pages: 6
• Grade Level: High School