Robert del Tredici photographer, artist, and author discusses the history of nuclear weapon production plants around the United States and the effects of nuclear radiation.

Author Fred Freed discusses the history of the atom bomb, its impact on the world, and the scientists involved in its making. He also touches on Japan during World War II and the bombings of Hiroshima and Nagasaki.

Dr. Jacob Bronowski, a mathematician and philosopher, discusses how the study of science has changed since the onset of government regulation or the military industrial complex. He also talks about humanity and explains how humans are the best species and therefore should come together to continue progress instead of killing each other. Content Warning: This conversation has the presence of outdated, biased, offensive language.

David Halberstam, writer and historian, talks about his book, "The Fifties." The conversation includes Brown v. Board of Education, atomic weapons, the Cold War, the Korean and Vietnam Wars, consumerism, birth control, suburbs, television and the start of the counterculture. Halberstam reads several passages from his book.

Daniel Ellsberg, political activist, discusses the creation and use of the atomic and hydrogen bombs. He discusses his family including how his son helped him leak the Pentagon Papers and has since protested with him, including being jailed. He also talks about his father who quit his job over the creation of the hydrogen bomb and how his father's choice helped him to decide to release the Pentagon Papers.