Raymond Elliott Zirkle (January 9, 1902 – March 4, 1988) was a pioneer in the field of radiation biology, a principal in the Manhattan Project, director of the Institute of Radio-Biology and Biophysics at the University of Chicago, Damon Runyon Fellow, president of the Radiation Research Society, and a founding member of the Biophysical Society.Zirkle was elected to the National Academy of Sciences in 1959 and the American Philosophical Society in 1960.Zirkle served on the editorial boards of seven journals.