Human Radiation Experiments - Part 2 (1994)

Joseph Gilbert Hamilton (November 11, 1907 – February 18, 1957) was an American professor of Medical Physics, Experimental Medicine, General Medicine, and Experimental Radiology as well as director (1948–1957) of the Crocker Laboratory, part of the Lawrence Berkeley National Laboratory. Hamilton studied the medical effects of exposure to radioactive isotopes, which included the use of unsuspecting human subjects.

He was married to painter Leah Rinne Hamilton.[1][2]
Early work
Hamilton (left) in 1939 with fellow physicist Robert Marshak who is voluntarily drinking a radioactive sodium solution

Hamilton received his B.S. in Chemistry in 1929 from the University of California. He studied medicine in Berkeley and interned at the University of California Hospital, San Francisco. He was awarded his M.D. degree in 1936. At that time the cyclotron in Berkeley was among the first to produce useful amounts of radioactive isotopes which could be used in studies of their effects on living tissue. In a series of papers published in 1937 Hamilton detailed early medical trials using radioactive sodium, followed by papers detailing the use of the radioactive isotopes of potassium, chlorine, bromine, and iodine.[3] Radioactive iodine was found to be particularly useful in the diagnosis and treatment of thyroid disorders.
Human testing

Concern was expressed over the safety of Manhattan Project laboratory personnel working with newly isolated plutonium in 1944. Hamilton led a team to conduct toxicity experiments on rats. Finding the results unsatisfactory, Hamilton participated in the decision to continue the trials with human subjects. The teams conducted trials in secret from 1945 to 1947.[4]

Three teams headed by Hamilton, Louis Hempelmann and Wright Haskell Langham carried out trials, injecting plutonium into 18 unsuspecting human patients and measuring its concentration in excreta. Joseph Gilbert Hamilton's team injected three of the subjects at University of California Hospital, San Francisco.

Albert Stevens, CAL-1, was diagnosed with terminal stomach cancer, which researchers soon found to have been an ulcer. Stevens is significant as he is recorded to have survived the highest known accumulated radiation dose of any human. He lived 20 years after the injection and died at 79 years of age.[4]

Simeon Shaw, CAL-2, was 4 years old at the time of injection and diagnosed with bone cancer. Shaw lived for 255 days post injection, with his cause of death being recorded as bone cancer.[4]

Elmer Allen, CAL-3, was 36 at the time of injection and lived for 44 years post injection, with his cause of death being recorded as respiratory failure, pneumonia.[4] He died in 1991 shortly before Eileen Welsome could interview him for her work in exposing the trials.[5]

Hamilton's studies of isotope retention in humans, especially of radioactive strontium and the transuranic elements, were the principal reason for the U.S. Atomic Energy Commission setting of far lower tolerance limits of these substances than had been theorised before trials.[4] The Atomic Energy Commission terminated this series of human trials in 1950.
The "Buchenwald touch" memo

Once the AEC took over control of the Manhattan Project's various roles, Hamilton returned to his work at Berkeley. In a memo written in 1950, Hamilton gave some recommendations to the AEC's Director of Biology and Medicine, Shields Warren. Hamilton wrote that large primates like "chimpanzees ... [should] be substituted for humans in the planned studies on radiation's cognitive effects."[6] He further warned that by using humans the AEC would be open "to considerable criticism," since the experiments as proposed had "a little of the Buchenwald touch."[6] Eugene Saenger would be the one who carried out these experiments from 1960 to 1971 at the University of Cincinnati, exposing "at least 90 cancer patients to large radiation doses."[7][8]
Death and legacy

Hamilton died from leukemia at the age of 49.[3] His name was added to the Monument to the X-ray and Radium Martyrs of All Nations erected in Hamburg, Germany.
Notes

"Leah Rinne Hamilton". Farhat Art Museum. September 26, 2021. Archived from the original on August 15, 2022. Retrieved August 4, 2023.
"Joseph Gilbert Hamilton, Medicine; Medical Physics: San Francisco and Berkeley". University of California: In Memoriam, 1959. University of California. 1959. pp. 27–30. Archived from the original on October 10, 2008. Retrieved August 4, 2023.
Lawrence, Ernest O.; Garrison, Warren M. (August 16, 1957). "J. G. Hamilton, Medical Physicist and Physician". Science. 126 (3268): 294. Bibcode:1957Sci...126..294L. doi:10.1126/science.126.3268.294. ISSN 0036-8075. PMID 13454816. Archived from the original on February 2, 2023. Retrieved August 4, 2023.
Moss, William; Eckhardt, Roger (1995). "The Human Plutonium Injection Experiments" (PDF). Los Alamos Science. Radiation Protection and the Human Radiation Experiments (23): 177–223. Archived (PDF) from the original on September 6, 2019. Retrieved November 13, 2012.
Welsome, Eileen (1999). The Plutonium Files:America's Secret Medical Experiments in the Cold War. Dial Press. ISBN 978-0385314022. Retrieved November 18, 2012.
"The Media & Me: [The Radiation Story No One Would Touch]", Geoffrey Sea, Columbia Journalism Review, March/April 1994.
"Eugene Saenger, Controversial Doctor, Dies at 90 Archived November 29, 2022, at the Wayback Machine," William Dicke, New York Times, October 11, 2007

Thomas H. Maugh, "Eugene Saenger, 90; pioneer in radiation research", Los Angeles Times, October 6, 2007

References

Moss, William & Eckhardt, Roger (1995) The Human Plutonium Injection Experiments, Los Alamos Science 23, 177-233;
Welsome, Eileen (1999) The plutonium files: America's Secret Medical Experiments in the Cold War Dial press, New York. ISBN 0-385-31402-7 ;
LAWRENCE, E O; GARRISON W M (August 1957). "J.G. Hamilton, medical physicist and physician". Science. 126 (3268): 294. Bibcode:1957Sci...126..294L. doi:10.1126/science.126.3268.294. ISSN 0036-8075. PMID 13454816.

External links

"In Memoriam: Joseph Gilbert Hamilton" University of California 1959;
"Joe Hamilton's Cavalier Approach to Radiation" comments by Dr. John W. Gofman, December 20, 1994 at the Wayback Machine (archived September 25, 2007);
"The Lawrence Berkeley Laboratory's Archives and Records Office's Role in the US Department of Energy's Human Radiation Experiment Records Search and Retrieval Project" by Lori L. Hefner STAMA Australia Newsletter No. 2, September 1995 at the Wayback Machine (archived July 30, 1997);

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1907 births1957 deathsAmerican medical researchersManhattan Project peopleAmerican radiologistsRadiobiologyRadiation health effects researchersUniversity of California, Berkeley alumniUniversity of California, Berkeley staffAmerican nuclear medicine physiciansAmerican medical physicists