Richard Feynman, a scientist and researcher who worked on the Manhattan Project, shares his experiences on the project. Feynman was asked to leave his research for his PhD thesis and join the project instead. He discusses his moral issues and justifications during the development of the bomb. The Manhattan Project was a research project during World War II to develop an atomic bomb.

Dick Skancke, a security guard for the Manhattan Project, tells what it was like to be onsite at the Manhattan Project, and how the civilians didn't really like the guards. The Manhattan Project was a research project to develp an atomic bomb from 1942 to 1946.