David Baltimore is an American biologist, university administrator, and 1975 Nobel laureate in Physiology or Medicine. David Baltimore was born on March 7, 1938, in New York city, New York, the son of Richard and Gertrude Baltimore. Baltimore received his undergraduate degree in chemistry from Swarthmore College, Pennsylvania (B.A), and went on to study animal virology at the Rockefeller Institute (now Rockefeller University) in New York City, where he obtained his doctorate in 1964, and at the Massachusetts Institute of Technology (MIT) in Boston. He worked with Dulbecco at the Salk Institute in La Jolla, California (1965–68), studying the mechanism of replication of the poliovirus. In 2000 President Bill Clinton awarded Baltimore the National Medals of Science and Technology, the highest American award for science. He was honored for his discoveries in molecular biology, immunology, and virology.