Other
Nuclear files.org: Julius Robert Oppenheimer
At this site from Nuclearfiles.org you can read a biography of J. Robert Oppenheimer and about his career as a scientist and his important involvement with the Manhattan Project and Atomic Energy Commission.
Wikimedia
Wikipedia: J. Robert Oppenheimer
This biography from the encyclopedia Wikipedia of physicist Robert Oppenheimer discusses his education, his creation of the atomic bomb, and later, his opposition to the use of the bomb.
PBS
Pbs: J. Robert Oppenheimer 1904 1967
This site from PBS provides biographical information about J. Robert Oppenheimer, and his involvement with the atomic bomb.
Other
Nuclearfiles.org: Oppenheimer Affair
This site from Nuclearfiles.org allows you to read about Robert J. Oppenheimer's role in the Manhattan Project, as head of the Atomic Energy Commission and then his dismissal as a "security threat" to the U.S. government during the era...