Dr. Ehrlich joined the Biological Sciences Department faculty of RPI at the rank of Assistant Professor in 1951.  He attained the rank of Professor Emeritus in 1994.  He has continued as an active retiree.  He is a fellow of the American Academy of Microbiology and the American Association for the Advancement of Science. He received his Ph.D. in Agricultural Microbiology(Major),Biochemistry(Minor) in 1951 from University of Wisconsin, Madison and completed M.S. in 1949 from University of Wisconsin, Madison in Agricultural Bacteriology and done his B.S.in 1948 from Harvard College Cambridge, MA in Biochemical Sciences. He is a member of the Interdisciplinary Committee of the World Cultural Council (Consejo Cultural Mundial), and an honoree of the 11th Int Symp Water/Rock Interactions, 1994, Saratoga Springs, NY.   Dr. Ehrlich’s professional activities include Editor-in-Chief, GEOMICROBIOLOGY JOURNAL 1983-1995; Co-Editor-in-Chief 1995-present; Editorial Board Member: Applied and Environmental Microbiology; Applied Microbiology and Biotechnology; Editorial Board member, Applied and Environmental Microbiology and Applied Microbiology and Biotechnology; Former Editorial Board Member, Journal of Industrial Microbiology; Director and Treasurer, International Symposia on Environmental Biogeochemistry, Inc. 1973-1999; Former Member of the Membership Committee of the American Academy of Microbiology; chairman, Eastern New York Branch, American Society for Microbiology;  Past Industrial Consultant to E.I. DuPont de Nemours & Co., Gorham International; Genetics Institute, and other occasional consultancies. Dr. Ehrlich has prepared a 5th edition of his book, Geomicrobiology, with Dianne K. Newman of MIT as co-author, which is in press with the Taylor & Francis Group LLC.

Geomicrobiology