Postdoctoral, Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis, Oregon, 1979-1980
Ph.D., Microbiology/Biochemistry, The University of Texas, Austin, Texas, 1979
M.S., Microbiology/Biology, Pittsburg State University, Pittsburg, Kansas, 1971
B.S., Biology,Pittsburg State University, Pittsburg, Kansas, 1969