A biographer of Robert Oppenheimer explains how he uncovered the likely truth about his membership in a secret communist unit.

The evidence of Oppenheimer’s membership in the Communist Party in the 1930s is ‘overwhelming,’ but it doesn’t mean he was a spy, says a retired Stanford history professor.

Emma Dumont had a brief role playing Jackie, sister-in-law to J. Robert Oppenheimer in Christopher Nolan’s landmark, award winning biographical epic.

We dive into the profound regret that J. Robert Oppenheimer felt about his involvement in the creation of the atomic bomb.

The question of his true loyalties rang alarms 80 years ago as the Federal Bureau of Investigation probed Oppenheimer’s Communist past — and is now — surprisingly — gaining new attention.

To quote Mr. W. W. Rostow in an address to the Naval War College late in 1956: I do not believe we as a nation have yet created a military policy and a civil foreign policy designed to fulfill [our ...