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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Darleane C. Hoffman, transuranium element pioneer, dies at age 98
Hoffman
Nuclear chemist Darleane D. Hoffman, who was renowned for her research on transuranium elements that advanced the understanding of nuclear fission, died on September 4 at her home in Menlo Park, Calif. She was 98.
Iowa origins: Hoffman was born on November 8, 1926, in Terril, Ia. She attended Iowa State University, where she earned a bachelor’s degree in chemistry in 1948 and a doctorate in physical (or nuclear) chemistry in 1951. She then began working as a chemist at Oak Ridge National Laboratory.
Los Alamos research: In 1953, Hoffman began a research position at Los Alamos National Laboratory, where she conducted pioneering work on spontaneous fission. She served as the lab’s first female division leader in charge of the Chemistry and Nuclear Chemistry Division.
2025 ANS Annual Conference
Expert in the field of nuclear energy, nuclear reactor technology and energy transformation. Participated in a number of national and international research projects in the field of nuclear technology. Author of numerous analyses and expert opinions for the nuclear sector. Academic teacher, long-time employee of the Faculty of Energy and Fuels at the AGH University of Science and Technology in Krakow. In 2020-2024 secretary general of the Polish Nuclear Society. In 2022-2024 vice president of the European Nuclear Society. In October 2024 appointed director of the Department of Nuclear Energy at the Ministry of Industry.
Last modified April 17, 2025, 8:04am CDT
