Earns a Bachelor of Arts in anthropology from the University of Michigan.
Achieves a Master of Arts from the University of Michigan.
Is a staff archaeologist part of the Missouri Basin Project with the Smithsonian Institution.
Receives the Bobbs Merrill Award for Outstanding Graduate Student in Anthropology from the University of Michigan.
Is an instructor of anthropology at Antioch College until 1970.
Is a teaching assistant at the University of South Carolina, Beaufort Regional Campus until 1972.
Is an instructor of anthropology and special assistant to the dean at the University of Michigan-Dearborn until 1975.
Is an assistant, associate and full professor of anthropology at the University of Michigan-Dearborn through today.
Obtains a Doctor of Philosophy from the University of Michigan.
Receives a Distinguished Faculty Research Award from the University of Michigan-Dearborn.
Receives a Distinguished Faculty Governance Award from the University of Michigan.
Serves as president of the Federation of Small Anthropology Programs until 1997.
Is the William E. Stirton Professor Emeritus of Anthropology at the University of Michigan-Dearborn until 2004.
Is honored as a distinguished faculty member by the Michigan Association of Governing Boards.
Receives the Literature Award for a Significant Contribution to Botany or Horticulture from the Council on Botanical and Horticultural Libraries.
Commences his retirement; Is the editor-in-chief of “Economic Botany” until 2009.
Receives a Distinguished Faculty Library Friend Award from Mardigian Library.
Serves as president of the International Society for Ethnopharmacology until 2008.
Receives a Special Presidential Award for Distinguished Service from the Society for Economic Botany.
Receives the Jackie Lawson Memorial Faculty Governance Award from the University of Michigan.