This former West Point graduate and coffee grower transformed igneous petrology and volcanology.
Louise H. Kellogg (1959–2019)
Louise Kellogg, an influential solid Earth geodynamicist and leader of the geoscience community, passed away in April.
A Tribute to Wally Broecker
An editor of Paleoceanography and Paleoclimatology shares fond memories of his postdoc with Wally Broecker, who died in February.
Ian McDougall (1935–2018)
McDougall distinguished himself as a leader in developing potassium-argon geochronology and its application to many Earth science issues, including the geomagnetic polarity timescale.
Dimitri Komatitsch (1970–2019)
Dimitri Komatitsch had a profound impact on computational seismology and embodied the notion of open-source, collaborative research.
Bruce Barkstrom (1944–2018)
Bruce R. Barkstrom, principal investigator for NASA missions involved with understanding Earth’s radiation budget, committed his life to analyzing, interpreting, and stewarding Earth science data.
Arvid M. Johnson (1938–2018)
A trailblazer in geomechanics using physical processes.
Kody Kramer (1985–2018)
His vision and persistence created a 1.4-billion-pixel map of the Gulf of Mexico seafloor—a crucial tool in research on the Deepwater Horizon oil spill and a completely new standard for bathymetry maps.
Reflections on the Legacy of Grove Karl Gilbert, 1843–1918
In the company of other explorers as passionate as he was about geomorphology, Gilbert derived one fundamental geological insight after another from the landscapes of the American West.
Recognizing an Architect of the Age of Informatics
A look back at the life of Greg Leptoukh, pioneer of informatics, and a look ahead to the field’s future through the annual lecture at AGU’s Fall Meeting 2018 dedicated to Leptoukh.