Photograph of Cynthia Hall from "Atom Scientists: Ten Negro Scientists at Argonne Lab Help in Race to Harness Atomic Materials”, Ebony magazine, September 1949, pp. 26-28. Copyright not renewed.
The caption reads: "Cynlhia Hall, 26, once worked in morgue analyzing poisons in humans, now analyzes solutions for radiation."
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see
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