Charles Donald O'Malley (April 1, 1907 – April 6, 1970) was an American historian of medicine and Latinist, recognized as a leading expert on the medicine of the Renaissance and, in particular, the life and work of the Renaissance anatomist Andreas Vesalius. He taught at Stanford University and at the University of California, Los Angeles. O'Malley was the president of the History of Science Society for a two-year term from 1967 to 1968 and of the International Academy of the History of Medicine from 1967 until his death. Source: Wikipedia (en)