An ambassador for African geosciences and for Ethiopia, this celebrated geophysicist will be remembered for his contributions in research as well as his steadfast support of colleagues.
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J. Casey Moore (1945–2020)
This polymath Earth scientist pioneered multidisciplinary studies of subduction zones on land and at sea.
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Orson Anderson (1924–2019)
This pioneer in the field of mineral physics contributed mightily to our understanding of mineral properties at high temperatures and high pressures and of Earth’s interior.
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Adolphe Nicolas (1936–2020)
This decorated researcher and educator made major contributions to understanding mantle processes and the creation of oceanic crust at spreading ridges, together with public outreach on climate change.
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Walter C. Pitman III (1932–2019)
Pitman pioneered research on seafloor spreading, proposed a scientific backstory to the Great Flood and Noah’s Ark, and reveled in spirited discussions of all kinds.
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Taro Takahashi (1930–2019)
This giant in geochemistry also pioneered early high-pressure, high-temperature studies that launched the field of mineral physics.
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Richard Mansergh Thorne (1942–2019)
A pioneering space plasma physicist who led the way in understanding how complex wave-particle interactions control Earth’s radiation belts and low-level auroral light emissions.
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Nicholas Constantinos Matalas (1930–2019)
A modest giant in the field of stochastic hydrology.
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Alexander R. “Mac” McBirney (1924–2019)
This former West Point graduate and coffee grower transformed igneous petrology and volcanology.