Carl Peraino (PhD, University of Wisconsin) is a retired senior biochemist at Argonne National Laboratory. He is author or coauthor of approximately one hundred research articles, including "Reduction and Enhancement by Phenobarbital of Hepatocarcinogenesis Induced in the Rat by 2-Acetylaminofluorene," coauthored with R. J. Michael Fry and Everett Staffeldt, Cancer Research 31:1506-1512, October 1971. This paper signaled a significant shift forward in cancer research.