Research Professor Emeritus of Sociology
Ph.D., Economics, Princeton University, 1975
Measuring selection in human populations using the growth rate per generation." Philosophical Transactions of the Royal Society of London B: Biological Sciences 371 (2016)."
The Impact of Exercise, Cognitive Activities, and Socialization on Cognitive Function: Results From the National Long-Term Care Survey." American Journal of Alzheimer's Disease and Other Dementias 29 (2014): 372-378."
Constraints on the coevolution of contemporary human males and females." Proceedings of the Royal Society B: Biological Sciences 279 (2012): 4836-44."