Sarah Stewart (cancer researcher) at the age of 39. Stewart returned to the NIH in 1951, joining the National Cancer Institute (NCI), and eventually becoming medical director. Stewart developed an interest in researching viral links to cancer in light of the pioneering research of Jonas Salk in developing a vaccine for the virus which caused polio. Stewart developed an interest in researching viral links to cancer in light of the pioneering research of Jonas Salk in developing a vaccine for the virus which caused polio. Stewart is credited with discovering the Polyomavirus in 1953. She and research partner, Dr. Bernice E. Eddy, were successful
Salk Hall 1920s. Also contained in Salk Hall is the Elmer H. Grimm Sr. Pharmacy Museum, which opened in the fall of 1996. Located on the fourth floor, the museum holds pharmacy memorabilia such as drug products, equipment, and sundry products dating back to the early 20th century. Among the museum's possessions are two hand-carved finials, which were often found over the door or partitions that separated the main part of the pharmacy from the back room where pharmacists did most of their work, an old-fashioned powder mill, and a konseal machine. Salk Hall Jonas Salk Hall at the University of Pittsburgh