Stephen D. Johnston
Hruby Professor in Liberal Arts & Sciences
Johnston earned a bachelor's degree in agricultural chemistry from Iowa State University. He remained at ISU to earn a master's degree in the laboratory of Dr. Don Beitz in the Department of Biochemistry and Animal Science. He identified sequence changes in the mitochrondrial DNA of dairy cattle, which were later correlated to changes in milk production characteristics.
He earned a doctorate from the University of Wisconsin at the McArdle Laboratory for Cancer Research in the laboratory of Dr. Janet Mertz, studying the regulation of the late promoter of the virus SV40. He conducted post-doctoral research at the University of Minnesota.
He is the first recipient of the Roger and Nadeane Hruby Professor in the Liberal Arts and Sciences endowed chair, which was established in 2006. Roger F. Hruby, Sr., a 1958 graduate of North Central College, is founder and Chairman of the Board of CFC international, Inc., a leader in the design, manufacture and marketing of holographics and specialty coatings that add value to a variety of industrial and consumer products.