
Grant Heiken death at age 84
Grant H. Heiken, an American volcanologist who studied volcanic processes and materials on Earth and the moon, died of mesothelioma on October 11, 2026, aged 84. Born on October 11,…
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Grant H. Heiken, an American volcanologist who studied volcanic processes and materials on Earth and the moon, died of mesothelioma on October 11, 2026, aged 84. Born on October 11,…