Helen Marie Korchak, a former research professor of pediatrics in the Perelman School of Medicine, died on April 15. She was 87. 

Born in Australia, Dr. Korchak came to the U.S., where she earned a PhD in physiology from Tufts University in 1962. After graduating, she accepted a position as a research assistant professor in the division of rheumatology in the department of medicine at New York University School of Medicine. In 1986, she came to Penn’s School of Medicine as a research associate professor of pediatrics, with a secondary appointment in the department of biochemistry and biophysics. She was promoted to a research professor in both departments in 1992, and held these positions until retiring from Penn in 2007.