JOANNE RUTHSATZ is an assistant professor of psychology at The Ohio State University. She has been interviewed on CBS’s 60 Minutes, and her research has been published in Intelligence, Behavior Genetics, Human Heredity, Journal for the Education of the Gifted, and Behavioral and Brain Sciences, and has been quoted in The Wall Street Journal, The Atlantic, Slate, and Scientific American. She has a Ph.D. in experimental psychology from Case Western Reserve University.
KIMBERLY STEPHENS is a freelance journalist. She has coauthored academic papers on child prodigies and is a member of the D.C. Science Writers Association. She is a graduate of Princeton University and Harvard Law School.