UNION MEDALS, AWARDS AND PRIZES
Walter H. Bucher Medal
Congratulations to the 2024 UMAP Honorees!
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Past Recipients

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2024 RECIPIENT
Frank S Spear
2023 RECIPIENT
Chris Hawkesworth
Chris Hawkesworth has made fundamental contributions to our understanding of a broad range of geochemical problems, including the geochemistry of continental flood basalts, the petrology and geochemistry of granites, the geochemistry of Andesitic vol...
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2022 RECIPIENT
Seth Stein
Seth Stein is an extraordinary scientist who has made fundamental contributions to many geophysical disciplines. He has investigated processes within Earth’s lithosphere using techniques including seismology, space-based geodesy and marine geophysics...
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2021 RECIPIENT
T. Mark Harrison
Professor Mark Harrison of the University of California, Los Angeles, is a geochemist and geochronologist whose interests and contributions span a broad range, including, but not limited to, present-day tectonics of the Himalayas and Tibet, the natur...
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2020 RECIPIENT
Susan L Beck
2019 RECIPIENT
Leigh Royden
2018 RECIPIENT
Philip C England
Philip England recognizes that the goal of science is to understand nature’s processes, the essence of understanding is the ability to predict from general conditions, bringing understanding to Joe Sixpack requires simplicity, and simple unders...
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2016 RECIPIENT
Samuel A Bowring
Sam Bowring’s expertise as a field geologist, his enormous breadth of knowledge, and his unwavering pursuit of the highest possible precision and accuracy in ­­­uranium-­­­lead geochronology has transformed our understanding of the time when li...
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