About the Author

Linda T. Elkins-Tanton, Ph.D., has a doctorate in geology and geophysics from the Massachusetts Institute of Technology (MIT). She is an expert on volcanic processes in terrestrial planets, effects of meteorite impacts, early lunar evolution, and the connections between meteorite impacts, flood basalts, and global extinction events. She has been published in the journals Geology, Earth, and Planetary Science Letters; Geophysical Research Letters; and Geochimica et Cosmochimica.