Karl Z. Morgan

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Karl Ziegler Morgan
Radiation Health Physics
Doctoral advisorWalter M. Nielsen

Karl Ziegler Morgan (September 27, 1907 – June 8, 1999), was an American

radiation health physics. He was director of health physics at Oak Ridge National Laboratory from the time in the Manhattan Project
late 1940s until his retirement in 1972.

Late in life, in 1982 he became a

nuclear weapons
production .

Early life and education

Born in

cosmic radiation
.

Career

He began an academic career as a faculty member at

atomic bomb.[1][2][3]

Initially at the

University of Chicago Metallurgical Laboratory and later in Oak Ridge, Morgan joined a small group of physicists who were interested in the health effects of radiation.[4]

Morgan became director of health physics at Oak Ridge National Laboratory (ORNL), serving from the late 1940s until his retirement in 1972. In 1955 he became the first president of the Health Physics Society, and was editor of the journal Health Physics from 1955 to 1977.[5]

After his retirement from ORNL in 1972, he joined the faculty of

Georgia Institute of Technology as professor of nuclear energy in the school of nuclear engineering, retiring from that position in 1982. Thereafter he became a consulting professor at Appalachian State University.[3]

After decades as a "pillar of the nuclear establishment", Morgan had a "change of heart" about

nuclear weapons production and nuclear power. He began to offer court testimony which was friendly to people who said they had been harmed by nuclear weapons and the nuclear power industry. In October 1982, he testified in a lawsuit brought by nearly 1,200 people who accused the government of negligence in atomic weapons testing at the Nevada Test Site in the 1950s, which they said had caused leukemia and other cancers. Morgan, then 75 years old, testified that radiation protection measures in the tests were substandard.[6]

Morgan also testified on behalf of

uranium miners and their survivors, saying government officials had known about mine radiation dangers but had not protected the miners. He also testified in the case of Karen Silkwood against Kerr-McGee.[6]

Morgan died in Oak Ridge, Tennessee, on June 8, 1999, apparently from a ruptured aortic aneurysm.[3][7]

Morgan's autobiography, The Angry Genie: One Man's Walk Through the Nuclear Age was published in 1999 by the University of Oklahoma Press.[6]

Reception

John Cameron, a developer of a dosimeter in the 1960s, criticized Morgan's autobiography. He wrote a posthumous critique, called the book otherwise interesting for its historical detailing of the Manhattan Project's health physics evolution and criticized what he called generally "flawed" anti-nuclear stance, an exaggeration of the Linear no-threshold model.[8]

See also

References

  1. ^ Pearce Wright, Karl Morgan, The Guardian, Tuesday 15 June 1999
  2. ^ Leland R. Johnson, Karl Z. Morgan, Tennessee Encyclopedia of History and Culture
  3. ^ a b c "Dr. Karl Z. Morgan; Pioneer health physicist," The Oak Ridger, June 10, 1999
  4. ^ Dick Smyser, "Founder of the science of health physics and also a pioneer of the environmental movement," The Oak Ridger, June 24, 1999
  5. ^ Angry Genie: One Man's Walk Through the Nuclear Age[permanent dead link]
  6. ^ a b c Karl Z. Morgan, 91, Founder of the Field Of Health Physics, Dies in Tennessee
  7. ^ K.Z. Morgan, health physics pioneer, dies, ORNL Reporter, July 1999
  8. ^ John Cameron (2000). "A Flawed History of Radiation Protection". 21sci-tech.com. Retrieved 2023-03-10.

External links

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