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All Medals banner small

Since 1886, the National Academy of Sciences has honored outstanding achievement in the physical, biological, and social sciences through its awards program.


  • Agnes Matilda Kalibata Honored with 2019 NAS Public Welfare Medal
    The Academy is presenting its 2019 Public Welfare Medal to agricultural scientist, policymaker, and visionary leader Agnes Matilda Kalibata "for her work to drive Africa’s agricultural transformation through modern science and effective policy."
  • 2019 Award Recipients Announced
    We’re pleased to announce the 2019 NAS Award recipients! These 18 individuals are honored for their extraordinary scientific achievements in a wide range of fields spanning the physical, biological, and medical sciences.

Featured Award

The Arctowski Medal is presented every two years to recognize outstanding contributions to the study of solar physics and solar terrestrial relationships. The Medal is now presented with an award of $100,000, plus $100,000 to support research in solar physics and solar terrestrial relationships at an institution of the recipient's choice. The Arctowski Medal was established in 1958 by the bequest of Jane Arctowska in honor of her husband, Henryk Arctowski.

Michelle F. Thomsen, Planetary Science Institute and Los Alamos National Laboratory, will receive the 2019 Arctowski Medal for her discoveries related to planetary and solar physics. 

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