Susan Kieffer

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Susan Elizabeth Werner Kieffer (born November 17, 1942, in Warren, Pennsylvania) is an American physical geologist and planetary scientist. Kieffer is known for her work on the fluid dynamics of volcanoes,^[1][2] geysers,^[3] and rivers, and for her model of the thermodynamic properties of complex minerals. She has also contributed to the scientific understanding of meteorite impacts.