Our investigative series, “Exposed: The Human Radiation Experiments at Hunters Point,” details how the U.S. Naval Radiological Defense Laboratory, based at a shipyard in San Francisco, exposed at least 1,073 dockworkers, military personnel, lab employees and others to radiation in technical exercises and medical experiments early in the Cold War.
In part 4, we examine the ethical implications of the lab’s use of radioactive substances on humans, when neither scientists nor study participants knew enough about the risks to offer informed consent — and how taking such gambles may have seemed more excusable in an atomic-age context than today.
