Shanna Swan

Shanna Swan
Shanna Swan
Born	Helen Wittenberg; May 1936 (age 89); Ohio, United States
Other names	Helen Wittenberg
Education	City College of New York; Columbia University; University of California, Berkeley;
Spouses	David A. Freedman (divorced); Henry Swan III (divorced); Steven R. Brown;
Children	Joshua Freedman; Deborah Freedman Lustig; Christo Swan;
	Scientific career
Fields	Environmental and Reproductive Epidemiology
Institutions	Environmental Health Sciences; University of Missouri; University of Rochester; Icahn School of Medicine at Mount Sinai;
Thesis	Limiting Distributions of Random Sums of Independent Random Variables (1963)
Doctoral advisor	Lucien Marie Le Cam

Shanna Helen Swan (born May 1936) is an American environmental and reproductive epidemiologist who is Professor of Environmental Medicine and Public Health at the Icahn School of Medicine at Mount Sinai, where she has taught since April 2011. She is known for her research on environmental contributions to sperm count and the male infertility crisis.

Shanna Swan
Born	Helen Wittenberg May 1936 (1936-05) (age 89) Ohio, United States
Other names	Helen Wittenberg
Education	City College of New York Columbia University University of California, Berkeley
Spouses	David A. Freedman (divorced) Henry Swan III (divorced) Steven R. Brown
Children	Joshua Freedman Deborah Freedman Lustig Christo Swan
Scientific career
Fields	Environmental and Reproductive Epidemiology
Institutions	Environmental Health Sciences University of Missouri University of Rochester Icahn School of Medicine at Mount Sinai
Thesis	Limiting Distributions of Random Sums of Independent Random Variables (1963)
Doctoral advisor	Lucien Marie Le Cam