Samuel O. Freedman

Samuel O. Freedman
Occupation(s)Immunologist, professor

Samuel Orkin Freedman, OC CQ FRSC (born May 8, 1928) is a Canadian clinical immunologist, professor and academic administrator. In 1965, he co-discovered with Phil Gold the carcinoembryonic antigen, the basis of a blood test used in the diagnosis and management of people with colorectal cancer.