Donald I. Siegel
Donald Ira Siegel (born October 24, 1947) is the emeritus ''Laura J. and L. Douglas Meredith Professor'' in the department of Earth Science at Syracuse University. He served as the president of the Geological Society of America from July 2019 until June 2020. Siegel is known for his work in wetland geochemistry and hydrogeology. Provided by Wikipedia-
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