Affiliations Courses 1973[position unknown]University Of Massachusetts1978[position unknown]Harvard University2005[position unknown]University Of Washington1980[position unknown]Cornell University1988[position unknown]University Of Iowa2000[position unknown]University Of Iowa2001[position unknown]University Of Iowa 1973Marine Ecology 1973Student1978Research Program In Microbial Ecology 1978Special Lecturer1980Microbial Ecology 1980Faculty/Staff/Lecturer1988Microbiology: Molecular Aspects Of Cellular Diversity 1988Director2000Microbial Diversity 2000Lecturer2001Microbial Diversity 2001Lecturer2005Microbial Diversity 2005Lecturer
