1939
Dr. Duffey is born in Oakland, California to Norman David and Saphrona Carol Duffey.
1963
Dr. Duffey receives a Bachelor of Arts from San Jose State University.
1968
Dr. Duffey studies postgraduate courses at the University of California.
1974
Dr. Duffey receives a Doctor of Philosophy from the University of Michigan.
1974
Dr. Duffey becomes an assistant professor of research at the University of Michigan Medical School.
1976
Dr. Duffey becomes an assistant professor of microbiology at the University of Texas Health Science Center.
1981
Dr. Duffey becomes a research scientist for the California Department of Health Care Services in Berkeley, California.
1985
Dr. Duffey becomes a member of the Governor’s Task Force on Biotechnology in Sacramento, California.