Facilitating Xenotransplants Suzanne Ildstad studies how to make the immune system tolerate transplanted organs tissues--be they from human beings or other animals. She may soon succeed. Research Neuropathologist Mary Herman looks for the structural changes in the brain that cause schizophrenia and other serious mental disorders Serious Researcher, Amateur Naturalist Clifton Barry's "real work" is deadly serious: he looks for new ways to battle tuberculosis, a dread disease making an unfortunate comeback. But whenever he gets the chance, he indulges his penchant for directly observing the natural world. Rock 'n Roll Researcher Who says scientists are dull? Ellie Carson is a researcher in a cancer research lab at Johns Hopkins University in Baltimore, where she tries to understand what makes good cells go bad. But she also is the lead singer of a Baltimore rock band, Wild Type. A Man With a Mission When Jose Vargas immigrated to the U.S. from the Dominican Republic in the eighth grade, he spoke virtually no English. Now, after a stint as an NIH undergraduate research fellow, he's off to Oxford as a Rhodes Scholar, then on to a career in medicine. Genetic Counselor Doing genetic testing is the easy part. Helping people understand what the results mean, and helping them to cope with the implications, can be very, very hard. For genetic counselor Barb Biesecker, that challenge makes her job worth doing. Historian of Science Scientific knowlege is not found on tablets handed down from on high. Instead, scientists have to use the tools and ideas they have on hand to move science forward. Victoria Harden studies the rich history of how science grows. The First Woman Doctor To be the first woman to graduate from medical school in the United States, Elizabeth Blackwell had to be brilliant, diplomatic, tenacious, and tough as nails. Women's Health Dynamo As director of the Office of Research on Women's Health at the National Institutes of Health, pathologist Vivian Pinn is the government's point person on women's health. Her job it to make sure that the right research gets done to protect the health of women. The Snapshots Archives If you want to see a People Doing Science story that has not yet been moved to the new Snapshots site, this is the place to go.