The Manhattan Project: Making The Atomic Bomb -

The "hard-driving" director of the project from the U.S. Army Corps of Engineers who oversaw all construction and security.

While not a project member, his 1939 letter to President Roosevelt warning of German nuclear potential served as the project’s initial catalyst. 2. Major Research and Production Sites The Manhattan Project: Making the Atomic Bomb

Led the team that achieved the first controlled, self-sustaining nuclear chain reaction at the University of Chicago in 1942. The "hard-driving" director of the project from the U

The brilliant theoretical physicist who served as the scientific director of the Los Alamos Laboratory, where the bombs were actually designed. The Manhattan Project: Making the Atomic Bomb

The project was a monumental collaboration between military organization and scientific research.