Andrew Knoll

Andrew Herbert Knoll is an American paleontologist and geobiologist born April 22, 1951, in West Reading, Pennsylvania, who is professor emeritus at Harvard University. His research pioneered the study of Precambrian microfossils, applying principles of taphonomy and paleoecology to interpret early life across multiple continents, and he served on the NASA Mars Exploration Rover science team. He received the Charles Doolittle Walcott Medal in 1987, the Wollaston Medal in 2007, the International Prize for Biology in 2018, the Crafoord Prize in Geosciences in 2022, and the Penrose Medal in 2024, and was elected a foreign member of the Royal Society in 2015.