Margaret Marsh is a professor of history and interim chancellor, Rutgers University-Camden. Wanda Ronner is a clinical associate professor of obstetrics and gynecology at the University of Pennsylvania School of Medicine. They are coauthors of The Empty Cradle: Infertility in America from Colonial Times to the Present, also published by Johns Hopkins.J. Douglas Toma is an associate professor at the Institute of Higher Education, University of Georgia.