D6. Karl Z. Morgan, Father of Health Physics. For 29 years Dr. Morgan was the head of Health Physics at the Oak Ridge nuclear weapons laboratory. He helped set radiation exposure limits for workers who produced the first atomic bombs. He determined from his many studies that "there is no safe level of radiation." This conclusion was not welcomed by those in the nuclear establishment who created the field of Health Physics to ensure that the health effects of atomic radiation would be documented and regulated by nuclear physicists rather than medical practitioners. In 1972 Dr. Morgan resigned so he could testify on behalf of those suffering from the adverse effects of atomic radiation. Atlanta, Georgia. 8 August 1983.
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