MARCIA BJORNERUD is Professor of Geology at Lawrence University. She researches the physics of earthquakes and mountain building. She is a two-time Fulbright Senior Scholar as well as a Fellow of the Geological Society of America and the Wisconsin Academy of Sciences, Arts & Letters. Bjornerud is a contributing writer to The New Yorker, The Wall Street Journal, Wired, and The Los Angeles Times, and the author of READING THE ROCKS, TIMEFULNESS, and GEOPEDIA (forthcoming, 2022). TIMEFULNESS was longlisted for the 2019 PEN/E. O. Wilson Prize for Literary Science Writing, and was a finalist for the LA TIMES Book Prize in Science and Technology and the Phi Beta Kappa Award in Science.