Career
He is one of the leading demographers in the United States. He received his Doctor of Philosophy in economics from Princeton University in 1968. Preston is a Professor Emeritus at the University of Pennsylvania in Philadelphia, Pennsylvania. The Preston curve is named after him.
Preston"s major research interest is in the health of populations.
He has written primarily about mortality trends and patterns in large aggregates, including twentieth century mortality transitions and black/white differentials in the United States.
