Andrew Herbert Knoll was born in 1951 in West Reading, Pennsylvania. While specific details about his early childhood, family, and primary education remain limited, it is known that he completed high school before enrolling at Lehigh University. He graduated in 1973 with a Bachelor of Arts degree.
He continued his academic journey at Harvard University, earning a Ph.D. in 1977. His doctoral dissertation, titled “Studies in Archean and Early Proterozoic Paleontology,” marked the beginning of a significant career in the field of earth sciences.
Following the completion of his Ph.D., Knoll began his teaching career at Oberlin College, where he served as a faculty member for five years. In 1982, he returned to Harvard University, where he has worked since as a professor, contributing substantially to the field of paleontology.
Knoll currently holds the titles of Professor of Natural History and Professor of Earth and Planetary Sciences at Harvard. He is also affiliated with departments such as Organismic and Evolutionary Biology and Earth and Planetary Sciences, reflecting his interdisciplinary approach to understanding the history of life on Earth.
Throughout his career, Andrew Knoll has made significant contributions to paleontology and geobiology. One of his most notable achievements includes the discovery and interpretation of microfossil records of early life from regions including Siberia, China, Australia, and parts of Africa. His work has provided crucial insights into the early evolution of Earth’s biosphere.
His research spans a variety of topics, including paleobotany, plankton evolution, bio-mineralization, and mass extinction events. Knoll was one of the pioneering scientists to suggest that the end-Permian mass extinction event, more than 250 million years ago, was primarily influenced by a rapid accumulation of carbon dioxide in the atmosphere—a hypothesis that has been widely debated and examined in subsequent studies.
In addition to his work at Harvard, Knoll has served as a member of the science team for NASA’s mission to Mars, where his expertise in planetary science and early Earth environments has contributed to the study of extraterrestrial life potential.
He is a fellow of several prestigious institutions, including the United States National Academy of Sciences, the American Academy of Arts and Sciences, and the American Academy of Microbiology. These memberships reflect his substantial impact on the fields of earth and planetary sciences.
| Birth Date: | 1 Jan, 1951 |
| Age: | 69 yrs |
| Occupations: | Paleontologist University teacher |
| Citizenship: | United States of America |
| Birth Place: | West Reading |
| Education: | Harvard University Lehigh University |
| Gender: | Male |
| Description: | American paleontologist and Professor at Harvard University |
