Andrew H. Knoll

Andrew H. Knoll (born 1951) is the Fisher Professor of Natural History and a Professor of Earth and Planetary Sciences at Harvard University. He is best known for his work on Precambrian microfossils and using stable isotopes for stratigraphic correlation, but has longstanding interests in geobiology, paleobotany, and the planetary evolution of Mars. He is a member of the Organismic and Evolutionary Biology and Earth and Planetary Sciences faculty at Harvard and the National Academy of Sciences. Knoll was born in West Reading, Pennsylvania in 1951 and graduated from Lehigh University with a bachelor of arts in 1973. He received his Ph.D. from Harvard University in 1977 for a dissertation entitled "Studies in Archean and Early...